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Document:	VT420 Video Terminal Programmer Reference Manual Update
Order Number:	EK-VT42P-UP
Revision:	A01
Pages:	100
Original Filename:	http://manx-docs.org/collections/mds-199909/cd3/term/vt42pupa.pdf

OCR Text

VT420 Video Terminal
Programmer Reference Manual Update

EK–VT42P–UP. A01

Digital Equipment Corporation

The information in this document is subject to change without notice and should not
be construed as a commitment by Digital Equipment Corporation. Digital Equipment
Corporation assumes no responsibility for any errors that may appear in this document.
The software described in this document is furnished under a license and may be used or
copied only in accordance with the terms of such license.
No responsibility is assumed for the use or reliability of software on equipment that is not
supplied by Digital Equipment Corporation or its affiliated companies.
Restricted Rights: Use, duplication, or disclosure by the U. S. Government is subject to
restrictions as set forth in subparagraph ( c ) ( 1 ) ( ii ) of the Rights in Technical Data
and Computer Software clause at DFARS 252.227–7013.
Copyright © by Digital Equipment Corporation 1993
All Rights Reserved.
The following are trademarks of Digital Equipment Corporation: VMS, VT, VT52, VT100,
VT220, VT320, VT420, and the DIGITAL logo.
All other trademarks and registered trademarks are the property of their respective
holders.

Contents
About This Guide
Part 1

Introduction to Your
VT420 Terminal

VT420 Features
New Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Selecting a Keyboard Dialect . . . . . . . . . . . . . . . . . . . . . . . . .
Selecting a Character Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3
3
4

Character Encoding
VT420 Character Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
French/Canadian Character Sets . . . . . . . . . . . . . . . . . . . . . . . .
DEC and ISO Supplemental Character Sets . . . . . . . . . . . . . . .
Greek Character Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hebrew Character Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turkish Character Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
National Replacement Character Sets (NRCs) . . . . . . . . . . . . . .

Part 2

vii

5
6
6
7
11
14
17

Control Functions
Sent to the Host

Keyboard Codes
Keyboard Layouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special-Function Keys (ANSI Keyboard) . . . . . . . . . . . . . . . .

24
26

iii

iv Contents

Part 3

Control Functions
Received from the Host

Emulating VT Series Terminals
Level 1 (VT100 Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Level 4 (VT400 Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
All Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hebrew Encoding Mode (DECHEM) . . . . . . . . . . . . . . . . . . .

Using Character Sets
Selecting Character Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Designating Character Sets (SCS Sequences) . . . . . . . . . . . .
National Replacement Character Sets
(Worldwide Model Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Assigning User-Preferred Supplemental Sets
(DECAUPSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

33
34
36
37

Cursor Movement and Panning
Moving the Cursor on the Current Page . . . . . . . . . . . . . . . . . .
Cursor Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Right to Left Cursor Direction . . . . . . . . . . . . . . . . . . . . . . . .
Cursor Right to Left Mode (DECRLM) . . . . . . . . . . . . . . .
Cursor Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page Cursor-Coupling Mode (DECPCCM) . . . . . . . . . . . . . . .
Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29
30
30
31

39
39
40
41
42
42
43

Keyboard Commands
Keyboard Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . .
Greek/N-A Keyboard Mapping (DECNAKB) . . . . . . . . . . . . .
Hebrew/N-A Keyboard Mapping (DECHEBM) . . . . . . . . . . .
User-Defined Keys (DECUDK) . . . . . . . . . . . . . . . . . . . . . . . . . .
Using UDKs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UDK Memory Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Programming UDKs . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

46
46
46
47
47
47
48

Contents v

VT420 Reports
Device Status Report (DSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DSR—Keyboard Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Terminal State Reports (VT400 Mode Only) . . . . . . . . . . . . . . .
Terminal State Report (DECTSR)—VT420 to Host . . . . . . . .
Restore Terminal State (DECRSTS)—VT400 Mode Only . . .
Presentation State Reports (VT400 Mode Only) . . . . . . . . . . . . .
Cursor Information Report (DECCIR)—VT420 to Host . . . . .
Restore Presentation State (DECRSPS)—VT400 Mode Only
Mode Settings (VT400 Mode Only) . . . . . . . . . . . . . . . . . . . . . . .
Request Mode (DECRQM)—Host To VT420 . . . . . . . . . . . . .
Report Mode (DECRPM)—VT420 To Host . . . . . . . . . . . . . .
Setting or Resetting Modes (SM and RM) . . . . . . . . . . . . . . . . .
Programming Tip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Set Mode (SM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reset Mode (RM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Part 4

54
54
56
56
56
57
57
58
59
59
60
62
62
62
63

Emulating a Personal
Computer

Emulating a Personal Computer
VT420 PC Keyboards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VT420 PC Character Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using PC Character Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Enabling or Disabling PC TERM Mode . . . . . . . . . . . . . . . . . . .
Change Emulation Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . .
User-Defined Keys (DECUDK for PC TERM) . . . . . . . . . . . . . .
Using UDKs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UDK Memory Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Programming UDKs . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Index

67
70
70
74
74
76
77
77
78

vi Contents

Figures
2–1
2–2
2–3
2–4
2–5
2–6
2–7
2–8
2–9
2–10
2–11
2–12
3–1
3–2
3–3
3–4
9–1
9–2
9–3
9–4
9–5
9–6
9–7

DEC Greek Supplemental Character Set . . . . . . . . . . . . . . . .
ISO Latin-7 Character Set . . . . . . . . . . . . . . . . . . . . . . . . . . .
ISO Latin-7 CRM Character Set . . . . . . . . . . . . . . . . . . . . . .
DEC Hebrew Supplemental Character Set . . . . . . . . . . . . . .
ISO Latin-Hebrew Character Set . . . . . . . . . . . . . . . . . . . . . .
ISO Latin-Hebrew CRM Character Set . . . . . . . . . . . . . . . . .
8-bit Turkish Supplemental Set . . . . . . . . . . . . . . . . . . . . . . .
Turkish ISO Latin-5 Character Set . . . . . . . . . . . . . . . . . . . .
Turkish ISO Latin-5 CRM Character Set . . . . . . . . . . . . . . . .
7-bit Greek NRCs (VT Mode Only) . . . . . . . . . . . . . . . . . . . . .
7-bit Hebrew NRCs (VT Mode Only) . . . . . . . . . . . . . . . . . . .
7-bit Turkish NRCs (VT Mode Only) . . . . . . . . . . . . . . . . . . .
Greek/N-A ANSI Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . .
Hebrew/N-A ANSI Keyboard . . . . . . . . . . . . . . . . . . . . . . . . .
Turkish-F ANSI Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turkish-Q ANSI Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . .
French/Canadian PC Keyboard . . . . . . . . . . . . . . . . . . . . . . .
Greek/N-A PC Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hebrew/N-A PC Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turkish PC Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PC Greek Character Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PC Hebrew Character Set . . . . . . . . . . . . . . . . . . . . . . . . . . .
PC Turkish Character Set . . . . . . . . . . . . . . . . . . . . . . . . . . .

7
8
10
11
12
13
14
15
16
18
19
20
24
24
25
25
68
68
69
69
71
72
73

Tables
5–1
5–2
5–3
6–1
8–1
9–1
9–2

Additional Character Sets Available . . . . . . . . . . . . . . . . . . .
Designating a Character Set . . . . . . . . . . . . . . . . . . . . . . . . .
Character Set Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cursor Movement and Panning Sequences . . . . . . . . . . . . . .
DEC Private Modes for DECRQM, DECRPM, SM, and RM . .
ANSI and Short ANSI Keyboards . . . . . . . . . . . . . . . . . . . . .
PC Keyboards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

33
34
35
43
60
81
82

About This Guide

This update provides information on how to use the French Canadian,
Greek, Hebrew, and Turkish keyboards and character sets with your
terminal. This update supplements information contained in the VT420
Programmer Reference Manual, EK–VT420–RM.

Organization
The chapters in this update are arranged in the same logical order as the
VT420 Video Terminal Programmer Reference Manual.

Chapter Title

Update Chapter
Number

Programmer
Reference Manual
Chapter Number

VT420 Features

Character Encoding

Keyboard Codes

Emulating VT Series
Terminals

Using Character Sets

Cursor Movement and
Panning

Keyboard Commands

VT420 Reports

Related Documentation
You can order the following VT420 update from Digital:
Installing and Using the VT420 Video Terminal
with PC Terminal Mode Update

EK–VT42A–UP

vii

viii About This Guide

Ordering Information
You can order documentation by phone or by mail as described in this
section.

Technical Support
If you need help deciding which documentation best meets your needs,
call 800-DIGITAL (800-344-4825) and press 2 for technical assistance.

Electronic Orders
If you wish to place an order through your account at the Electronic
Store, dial 800-234-1998, using a modem set to 2400- or 9600-baud. You
must be using a VT terminal or terminal emulator set at 8 bits, no parity.
If you need assistance using the Electronic Store, call 800-DIGITAL
(800-344-4825) and ask for an Electronic Store specialist.

Telephone and Direct Mail Orders
From

Call

Write

U.S.A.

DECdirect
Phone: 800-DIGITAL
800-344-4825
FAX: (603) 884-5597

Digital Equipment Corporation
P.O. Box CS2008
Nashua, NH 03061

Puerto Rico

Phone: (809) 781-0505
FAX: (809) 749-8377

Digital Equipment Caribbean,
Inc.
3 Digital Plaza, 1st Street
Suite 200
Metro Office Park
San Juan, Puerto Rico 00920

Canada

Phone: 800-267-6215
FAX: (613) 592-1946

Digital Equipment of Canada
Ltd.
100 Herzberg Road
Kanata, Ontario, Canada K2K
2A6
Attn: DECdirect Sales

International

—–

Local Digital subsidiary or
approved distributor

About This Guide ix

From

Call

Write

Internal Orders
(for software
documentation)

DTN: 241-3023
508-874-3023

Software Supply Business
(SSB)
Digital Equipment Corporation
1 Digital Drive
Westminster, MA 01473

Internal Orders
(for hardware
documentation)

DTN: 234-4325
508-351-4325
FAX: (508) 351-4467

Publishing & Circulation
Services
Digital Equipment Corporation
NR02-2
444 Whitney Street
Northboro, MA 01532

1 Call to request an Internal Software Order Form (EN–01740–07).

Part 1
Introduction to Your
VT420 Terminal

11
VT420 Features

This chapter briefly describes the latest features of the VT420 worldwide
model and the VT420 worldwide model with PC TERM mode.
Chapter 9 describes the VT420 terminal with PC TERM mode in detail.

New Features
You can enable the latest features of the VT420 worldwide models from
the keyboard by using set-up.

Selecting a Keyboard Dialect
To select the correct keyboard dialect for your keyboard, use the
keyboard dialect feature in the Set-Up Directory screen. Refer to
the Getting Started chapter in the Installing and Using the VT420
Video Terminal with PC Terminal. You can choose one of the following
additional selections for the keyboard dialect:
•

French/Canadian

•

Greek/N-A

•

Hebrew/N-A

•

Turkish-F

•

Turkish-Q

4 VT420 Features

Selecting a Character Set
After you set the keyboard dialect, you may want to choose an appropriate
character set for your keyboard. You use the General Set-Up screen to
choose from 8-bit multinational, 7-bit national, or PC character sets, as
described in the Using Set-Up chapter of the Installing and Using the
VT420 Video Terminal With PC Terminal Mode Update.
Following are the added 8-bit and PC character sets available from the
User-preferred Supplemental Set (UPSS) in the General Set-Up
screen:

Greek

Hebrew

Turkish

In VT Mode

In PC TERM Mode

UPSS ISO Latin-7
Supplemental

UPSS DEC Greek
Supplemental

PC Greek

UPSS ISO LatinHebrew
Supplemental

UPSS ISO Latin-Hebrew
Supplemental

UPSS DEC Hebrew
Supplemental

PC Hebrew

UPSS ISO Latin-5
Supplemental

UPSS DEC Turkish
Supplemental

PC Turkish

For a complete description of the new set-up features, refer to your
Installing and Using the VT420 Video Terminal With PC Terminal Mode
Update, EK-VT42A-UP.

22
Character Encoding

This chapter describes the additional character sets you can use with
your terminal: Greek, Hebrew, and Turkish character sets. The National
Replacement Character Sets are abbreviated as NRCs.
See Chapter 9 for additional PC character sets available in PC TERM
mode.

VT420 Character Sets
The terminal provides additional built-in character sets for the following
languages:
Greek
•

DEC Greek Supplemental

•

ISO Latin-7

•

ISO Latin-7 CRM

•

7-bit Greek NRCs

Hebrew
•

DEC Hebrew Supplemental

•

ISO Latin-Hebrew

•

ISO Latin-Hebrew CRM

•

7-bit Hebrew NRCs

6 Character Encoding

Turkish
•

DEC Turkish Supplemental

•

ISO Latin-5

•

ISO Latin-5 CRM

•

7-bit Turkish NRCs

French/Canadian Character Sets
See the VT420 Video Terminal Programmer Reference Manual for the
following French/Canadian supplemental character sets, which you use
with the French/Canadian keyboard dialect:
•

DEC Supplemental Graphic character set

•

ISO Latin-1 character set

DEC and ISO Supplemental Character Sets
Together the ASCII set with one of the 8-bit supplemental sets or ISO
Latin supplemental sets make up a multinational character set. The
following relate to the Greek, Hebrew, and Turkish supplemental sets
and ISO Latin supplemental sets. This chapter shows each supplemental
character set.
•

The 8-bit DEC supplemental character sets consist of 94 characters,
and the ISO Latin supplemental character sets consist of 96
characters.

•

You can select the 8-bit DEC supplemental sets or the ISO Latin
supplemental sets as the default character set, either by defining it
as the UPSS feature in the General Set-Up screen, or by assigning it
with the DECAUPSS escape sequence (Chapter 5).

•

The 8-bit supplemental sets and the ISO Latin supplemental sets are
not available in 7-bit mode, for example, VT100 mode.

•

The Installing and Using the VT420 Video Terminal with PC Terminal
Mode Update lists the 8-bit DEC supplemental characters and the
ISO Latin supplemental characters.

Character Encoding

Greek Character Sets
Figure 2–1 shows the DEC Greek Supplemental character set.
Figure 2–1 DEC Greek Supplemental Character Set

Column

M
W

225
149
095

206
134
086

S
P
A
E
P
A

226
150
096

202
130
082

203
131
083

7
8
9
10
11
12
13
14
15

260
176
0B0

205
133
085

201
129
081

0A0

204
132
084

10
NBSP 160

I
N
D
N
E
L
S
S
A
E
S
A
H
T
S
H
T
J
V
T
S
P
L
D
P
L
U

9
220
144
090

D
C
S
P
U
1
P
U
2
S
T
S
C
C
H

200
128
080

Row

S
S
2
S
S
3

240

Ïi

300
192
0C0

320
208
0D0

uÏ

340
224
0E0

360
240
0F0

221
145
091

241
161
0A1

261
177
0B1

301
193
0C1

321
209
0D1

341
225
0E1

361
241
0F1

222
146
092

242
162
0A2

262
178
0B2

302
194
0C2

322
210
0D2

342
226
0E2

362
242
0F2

223
147
093

243
163
0A3

263
179
0B3

303
195
0C3

323
211
0D3

343
227
0E3

363
243
0F3

264
180
0B4

304
196
0C4

324
212
0D4

344
228
0E4

364
244
0F4

244
164
0A4

224
148
094

245
165
0A5

265
181
0B5

305
197
0C5

325
213
0D5

345
229
0E5

365
245
0F5

246
166
0A6

266
182
0B6

306
198
0C6

326
214
0D6

346
230
0E6

366
246
0F6

267
183
0B7

307
199
0C7

327
215
0D7

347
231
0E7

367
247
0F7

270
184
0B8

310
200
0C8

330
216
0D8

350
232
0E8

370
248
0F8

227
151
097

247
167
0A7

210
136
088

230
152
098

250
168
0A8

211
137
089

231
153
099

251
169
0A9

271
185
0B9

311
201
0C9

331
217
0D9

351
233
0E9

371
249
0F9

212
138
08A

232
154
09A

252
170
0AA

272
186
0BA

312
202
0CA

aí

332
218
0DA

352
234
0EA

372
250
0FA

253
171
0AB

273
187
0BB

313
203
0CB

eí

333
219
0DB

353
235
0EB

uí

373
251
0FB

207
135
087

213
139
08B

C
S
I

233
155
09B

214
140
08C

S
T

234
156
09C

254
172
0AC

274
188
0BC

314
204
0CC

hí

334
220
0DC

354
236
0EC

wí

374
252
0FC

215
141
08D

O
S
C

235
157
09D

255
173
0AD

275
189
0BD

315
205
0CD

ií

335
221
0DD

355
237
0ED

375
253
0FD

216
142
08E

P
M

236
158
09E

256
174
0AE

276
190
0BE

316
206
0CE

336
222
0DE

356
238
0EE

376
254
0FE

217
143
08F

A
P
C

237
159
09F

257
175
0AF

277
191
0BF

317
207
0CF

337
223
0DF

357
239
0EF

377
255
0FF

033
027
01B

Octal
Decimal
Hexadecimal

oí

LEGEND
ESC

LJ−02456−RAGS

8 Character Encoding

Figure 2–2 shows the ISO Latin-7 character set.
Figure 2–2 ISO Latin-7 Character Set

Column

11
12
13
14
15

ïí
i

uïí

360
240
0F0

321
209
0D1

341
225
0E1

361
241
0F1

322
210
0D2

342
226
0E2

362
242
0F2

343
227
0E3

363
243
0F3

224
148
094

244
164
0A4

³
í

344
228
0E4

364
244
0F4

245
165
0A5

S
P
A
E
P
A

226
150
096

246
166
0A6

Aí

266
182
0B6

306
198
0C6

326
214
0D6

346
230
0E6

366
246
0F6

227
151
097

247
167
0A7

267
183
0B7

307
199
0C7

327
215
0D7

347
231
0E7

367
247
0F7

250
168
0A8

Eí

270
184
0B8

310
200
0C8

330
216
0D8

350
232
0E8

370
248
0F8

251
169
0A9

Hí
Ií

271
185
0B9

W
I 201
0C9

331
217
0D9

351
233
0E9

371
249
0F9

272
186
0BA

312
202
0CA

332
218
0DA

352
234
0EA

333
219
0DB

353
235
0EB

334
220
0DC

203
131
083

206
134
086

14
340
224
0E0

225
149
095

202
130
082

13
320
208
0D0

M
W

12
300
192
0C0

205
133
085

201
129
081

11
260
176
0B0

204
132
084

10
240
NBSP 160
0A0

I
N
D
N
E
L
S
S
A
E
S
A
H
T
S
H
T
J
V
T
S
P
L
D
P
L
U

9
220
144
090

D
C
S
P
U
1
P
U
2
S
T
S
C
R
H

200
128
080

Row

S
S
2
S
S
3

207
135
087

221
145
091

‘

241
161
0A1

261
177
0B1

301
193
0C1

222
146
092

’

242
162
0A2

262
178
0B2

302
194
0C2

223
147
093

243
163
0A3

263
179
0B3

303
195
0C3

323
211
0D3

264
180
0B4

304
196
0C4

324
212
0D4

ïí

265
181
0B5

305
197
0C5

325
213
0D5

345
229
0E5

365
245
0F5

210
136
088

230
152
098

211
137
089

231
153
099

212
138
08A

232
154
09A

252
170
0AA

311

ÏI
UÏ

g
d

Ïi
uÏ

372
250
0FA

213
139
08B

C
S
I

233
155
09B

253
171
0AB

273
187
0BB

313
203
0CB

214
140
08C

S
T

234
156
09C

254
172
0AC

Oí

274
188
0BC

314
204
0CC

aí

354
236
0EC

oí

374
252
0FC

215
141
08D

O
S
C

235
157
09D

SHY 173

275
189
0BD

315
205
0CD

335
eí 221
n
0DD

355
237
0ED

uí

375
253
0FD

216
142
08E

P
M

236
158
09E

256
174
0AE

276
190
0BE

316
206
0CE

hí

356
238
0EE

wí

376
254
0FE

217
143
08F

A
P
C

237
159
09F

277
191
0BF

317
207
0CF

337
ií 223
o
0DF

357
239
0EF

ESC

033
027
01B

Octal
Decimal
Hexadecimal

255
0AD

257
175
0AF

½
Uí
Wí

336
222
0DE

373
251
0FB

377
255
0FF

LEGEND
LJ−02457−RAGS

Character Encoding

You can use the ISO Latin-7 control representation mode (CRM) character
set to display control characters. Normally, control characters are
interpreted as commands rather than being displayed. To select this
set, you would select the UPSS ISO Latin-7 set in the General Set-Up
screen and select the Display Controls setting in the Display Set-Up
screen.
Figure 2–3 shows the ISO Latin-7 CRM character set.

10 Character Encoding

Figure 2–3 ISO Latin-7 CRM Character Set
Column

8
0

200
128
080

8
1

201
129
081

8
2

202
130
082

8
3

203
131
083

I
N
D
N
E
L
S
S
A
E
S
A
H
T
S
H
T
J
V
T
S
P
L
D
P
L
U
R

Row

5
6
7
8
9
10
11
12
13
14
15

S
S
2
S
S
3

220
144
090

NBSP 160

260
176
0B0

300
P
ïí 192
i
0C0

320
208
0D0

uïí

340
224
0E0

360
240
0F0

204
132
084

D
C
S
P
U
1
P
U
2
S
T
S
C
R
H

205
133
085
206
134
086

240

0A0

221
145
091

‘

241
161
0A1

261
177
0B1

301
193
0C1

321
209
0D1

341
225
0E1

361
241
0F1

222
146
092

’

242
162
0A2

262
178
0B2

302
194
0C2

D
3

322
210
0D2

342
226
0E2

362
242
0F2

223
147
093

243
163
0A3

263
179
0B3

303
195
0C3

323
211
0D3

343
227
0E3

363
243
0F3

224
148
094

A
4

244
164
0A4

³
í

264
180
0B4

304
196
0C4

324
212
0D4

344
228
0E4

364
244
0F4

M
W

225
149
095

A
5

245
165
0A5

ïí

265
181
0B5

305
197
0C5

325
213
0D5

345
229
0E5

365
245
0F5

226
150
096

246
166
0A6

Aí

266
182
0B6

306
198
0C6

326
214
0D6

346
230
0E6

366
246
0F6

207
135
087

S
P
A
E
P
A

227
151
097

247
167
0A7

267
183
0B7

307
199
0C7

327
215
0D7

347
231
0E7

367
247
0F7

210
136
088

9
8

230
152
098

A
8

250
168
0A8

Eí

270
184
0B8

310
200
0C8

330
216
0D8

350
232
0E8

370
248
0F8

211
137
089

9
9

231
153
099

251
169
0A9

271
185
0B9

W
I 201
0C9

331
217
0D9

351
233
0E9

371
249
0F9

212
138
08A

9
A

232
154
09A

A
A

252
170
0AA

Hí
Ií

272
186
0BA

312
202
0CA

332
218
0DA

352
234
0EA

213
139
08B

C
S
I

233
155
09B

253
171
0AB

273
187
0BB

313
203
0CB

333
219
0DB

353
235
0EB

214
140
08C

S
T

234
156
09C

254
172
0AC

Oí

274
188
0BC

314
204
0CC

aí

334
220
0DC

354
236
0EC

oí

374
252
0FC

215
141
08D

O
S
C

235
157
09D

SHY 173

275
189
0BD

315
205
0CD

335
eí 221
n
0DD

355
237
0ED

uí

375
253
0FD

216
142
08E

P
M

236
158
09E

A
E

256
174
0AE

276
190
0BE

316
206
0CE

hí

356
238
0EE

wí

376
254
0FE

217
143
08F

A
P
C

237
159
09F

257
175
0AF

277
191
0BF

317
207
0CF

337
ií 223
o
0DF

357
239
0EF

255
0AD

½
Uí
Wí

311

ÏI
UÏ

336
222
0DE

Ïi
uÏ

F
F

372
250
0FA
373
251
0FB

377
255
0FF

LEGEND

ESC

033
027
01B

Octal
Decimal
Hexadecimal

LJ−02458−RAGS

Character Encoding

Hebrew Character Sets
Figure 2–4 shows the DEC Hebrew Supplemental character set.
Figure 2–4 DEC Hebrew Supplemental Character Set

200
128
080

240
160
0A0

260
176
0B0

300
192
0C0

320
208
0D0

340
224
0E0

360
240
0F0

201
129
081

261
177
0B1

301
193
0C1

321
209
0D1

202
130
082

D 220
C 144
S 090
221
P
U 145
1 091
222
P
U 146
2 092
223
S
T 147
S 093
224
C
R 148
H 094

262
178
0B2

302
194
0C2

322
210
0D2

263
179
0B3

303
195
0C3

323
211
0D3

264
180
0B4

304
196
0C4

324
212
0D4

265
181
0B5

305
197
0C5

325
213
0D5

266
182
0B6

306
198
0C6

326
214
0D6

267
183
0B7

307
199
0C7

327
215
0D7

270
184
0B8

310
200
0C8

330
216
0D8

271
185
0B9

311
201
0C9

331
217
0D9

272
186
0BA

312
202
0CA

332
218
0DA

273
187
0BB

313
203
0CB

333
219
0DB

274
188
0BC

314
204
0CC

334
220
0DC

275
189
0BD

315
205
0CD

335
221
0DD

276
190
0BE

316
206
0CE

336
222
0DE

277
191
0BF

317
207
0CF

337
223
0DF

Column
Row

203
131
083

3
4
5
6
7
8
9
10
11
12
13
14
15

I
N
D
N
E
L
S
S
A
E
S
A
H
T
S
H
T
J
V
T
S
P
L
D
P
L
U
R

S
S
2
S
S
3

204
132
084
205
133
085

207
135
087

M 225
149
W 095
226
S
P 150
A 096
227
E
PA 151
097

210
136
088

230
152
098

211
137
089

231
153
099

212
138
08A

232
154
09A

206
134
086

213
139
08B
214
140
08C

C
S
I

216
142
08E

S
T
O
S
C
P
M

217
143
08F

A
PC

ESC

033
027
01B

215
141
08D

233
155
09B

ℵ

‫נ‬

241
161
0A1

242
162
0A2

243
163
0A3

244
164
0A4
245
165
0A5

246
166
0A6

247
167
0A7

250
168
0A8

251
169
0A9

ª
«

252
170
0AA

253
171
0AB

234
156
09C

254
172
0AC

235
157
09D

255
173
0AD

236
158
09E

256
174
0AE

237
159
09F

257
175
0AF

‫ב‬

‫ג‬

‫ד‬

‫ה‬

‫ט‬

‫י‬

‫ל‬

‫מ‬

341
225
0E1
342
226
0E2
343
227
0E3
344
228
0E4
345
229
0E5
346
230
0E6
347
231
0E7
350
232
0E8
351
233
0E9
352
234
0EA

‫ע‬

‫פ‬

‫ר‬

‫ש‬

361
241
0F1
362
242
0F2
363
243
0F3
364
244
0F4
365
245
0F5
366
246
0F6
367
247
0F7
370
248
0F8
371
249
0F9
372
250
0FA

353
235
0EB

373
251
0FB

354
236
0EC

374
252
0FC

355
237
0ED

375
253
0FD

356
238
0EE

376
254
0FE

357
239
0EF

377
255
0FF

LEGEND
Octal
Decimal
Hexadecimal

LJ−02461−RAGS

12 Character Encoding

Figure 2–5 shows the ISO Latin-Hebrew character set.
Figure 2–5 ISO Latin-Hebrew Character Set
Column

9
10
11
12
13
14
15

340
224
0E0

360
240
0F0

221
145
091

241
161
0A1

261
177
0B1

301
193
0C1

321
209
0D1

262
178
0B2

302
194
0C2

322
210
0D2

263
179
0B3

303
195
0C3

323
211
0D3

264
180
0B4

304
196
0C4

324
212
0D4

265
181
0B5

305
197
0C5

325
213
0D5

266
182
0B6

306
198
0C6

326
214
0D6

267
183
0B7

307
199
0C7

327
215
0D7

270
184
0B8

310
200
0C8

330
216
0D8

271
185
0B9

311
201
0C9

331
217
0D9

272
186
0BA

312
202
0CA

332
218
0DA

273
187
0BB

313
203
0CB

333
219
0DB

274
188
0BC

314
204
0CC

334
220
0DC

275
189
0BD

315
205
0CD

335
221
0DD

276
190
0BE

316
206
0CE

336
222
0DE

277
191
0BF

317
207
0CF

337
223
0DF

225
149
095

206
134
086

S
P
A
E
P
A

226
150
096

203
131
083

13
320
208
0D0

M
W

202
130
082

12
300
192
0C0

205
133
085

11
260
176
0B0

204
132
084

201
129
081

10
240
160
0A0

I
N
D
N
E
L
S
S
A
E
S
A
H
T
S
H
T
J
V
T
S
P
L
D
P
L
U

9
220
144
090

D
C
S
P
U
1
P
U
2
S
T
S
C
R
H

200
128
080

Row

S
S
2
S
S
3

207
135
087

ℵ

‫נ‬

222
146
092

211
137
089

231
153
099

212
138
08A

232
154
09A

213
139
08B

C
S
I

233
155
09B

214
140
08C

S
T

234
156
09C

215
141
08D

O
S
C

235
157
09D

216
142
08E

P
M

236
158
09E

217
143
08F

A
P
C

237
159
09F

ESC

033
027
01B

244
164
0A4

245
165
0A5

246
166
0A6

227
151
097
230
152
098

243
163
0A3

224
148
094

210
136
088

242
162
0A2

223
147
093

247
167
0A7

250
168
0A8

251
169
0A9

252
170
0AA

253
171
0AB

254
172
0AC

255
173
0AD
256
174
0AE

257
175
0AF

‫ב‬

‫ג‬

‫ד‬

‫ה‬

‫ט‬

‫י‬

‫ל‬

‫מ‬

341
225
0E1
342
226
0E2
343
227
0E3
344
228
0E4
345
229
0E5
346
230
0E6
347
231
0E7
350
232
0E8
351
233
0E9
352
234
0EA

‫ע‬

‫פ‬

‫ר‬

‫ש‬

361
241
0F1
362
242
0F2
363
243
0F3
364
244
0F4
365
245
0F5
366
246
0F6
367
247
0F7
370
248
0F8
371
249
0F9
372
250
0FA

353
235
0EB

373
251
0FB

354
236
0EC

374
252
0FC

355
237
0ED

375
253
0FD

356
238
0EE

376
254
0FE

357
239
0EF

377
255
0FF

LEGEND
Octal
Decimal
Hexadecimal

LJ−02462−RAGS

Character Encoding 13

Figure 2–6 shows the ISO Latin-Hebrew CRM character set.
Figure 2–6 ISO Latin-Hebrew CRM Character Set

Column 8

8
0

200
128
080

8
1

201
129
081

Row

2
3
4

240
D 220
C 144 NBSP 160
0A0
S 090
P 221 A 241
161
U 145
1 091 1 0A1

260
176
0B0

C
0

300
192
0C0

320
208
0D0

340
224
0E0

261
177
0B1

C 193 D 209
1 0C1 1 0D1

262
178
0B2

C 194 D 210
2 0C2 2 0D2

263
179
0B3

C 195 D 211
3 0C3 3 0D3

264
180
0B4

C 196 D 212
4 0C4 4 0D4

265
181
0B5

C 197 D 213
5 0C5 5 0D5

266
182
0B6

C 198 D 214
6 0C6 6 0D6

267
183
0B7

C 199 D 215
7 0C7 7 0D7

270
184
0B8

C 200 D 216
8 0C8 8 0D8

271
185
0B9

C 201 D 217
9 0C9 9 0D9

272
186
0BA

332
C 312
202 D 218
A 0CA A 0DA

273
187
0BB

313
333
C 203 D 219
B 0CB B 0DB

274
188
0BC

C 204 D 220
C 0CC C 0DC

275
189
0BD

C 205 D 221
D 0CD D 0DD

276
190
0BE

D 336
C 316
E 222
E 206
0CE
0DE

P 222
U 146
2 092
203 S
223
8 131 T 147
3 083 S 093
204 C
224
I
N 132 R 148
H 094
D 084

8
2

202
130
082

N
E
L
S
S
A

205
133
085

M 149
W 095

206
134
086

S 226
P 150
A 096

E
S
A

207
135
087

E 227
P 151
A 097

H
T
S

210
136
088

9
8

230
152
098

H
T
J

211
137
089

9
9

231
153
099

V
T
S

212
138
08A

9 154
A 09A

P
L
D

213
139
08B

C 233
S 155
I 09B

12
13
14
15

225

P 236
M 158
09E

217
143
08F

A 237
P 159
C 09F

245
165
0A5

246
166
0A6

247
167
0A7

250
168
0A8

251
169
0A9

232

216
142
08E

244
164
0A4

252
170
0AA

254
172
0AC

255
173
0AD
256
174
0AE

253
171
0AB

234
P 214
L 140 ST 156
09C
U 08C
215 O
235
R 141 S 157
I 08D
C 09D

S
S
2
S
S
3

243
163
0A3

257
175
0AF

ℵ

‫נ‬

360
240
0F0

242
162
0A2

D
0

277

301

302

303

304

305

306

307

310

311

314

315

317

B 191 C 207
F 0BF F 0CF

321
‫ב‬

322
‫ג‬

323

‫ד‬

324
‫ה‬

325
å

326
æ

327
ç

330
‫ט‬

331
‫י‬

334
‫ל‬

335

337
223
0DF

‫מ‬

341
225
0E1
342
226
0E2
343
227
0E3
344
228
0E4
345
229
0E5
346
230
0E6
347
231
0E7
350
232
0E8
351
233
0E9
352
234
0EA
353
235
0EB
354
236
0EC
355
237
0ED
356
238
0EE
357
239
0EF

‫ע‬

‫פ‬

‫ר‬

‫ש‬

361
241
0F1
362
242
0F2
363
243
0F3
364
244
0F4
365
245
0F5
366
246
0F6
367
247
0F7
370
248
0F8
371
249
0F9
372
250
0FA
373

F 251
B 0FB
374

F 252
C 0FC
375

F 253
D 0FD
376

F 254
E 0FE
377

F 255
F 0FF

LEGEND
033

ESC 027
01B

Octal
Decimal
Hexadecimal

LJ−02463−RAGS

14 Character Encoding

Turkish Character Sets
Figure 2–7 shows the 8-bit Turkish Supplemental character set.
Figure 2–7 8-bit Turkish Supplemental Set

Column

204
132
084
205
133
085

M
W

225
149
095

206
134
086

S
P
A
E
P
A

226
150
096

201
129
081

202
130
082

203
131
083

5
6
7
8
9
10
11
12

10
240
160
0A0

I
N
D
N
E
L
S
S
A
E
S
A
H
T
S
H
T
J
V
T
S
P
L
D
P
L
U

9
220
144
090

D
C
S
P
U
1
P
U
2
S
T
S
C
R
H

200
128
080

Row

13
14
15

S
S
2
S
S
3

207
135
087

221
145
091

241
161
0A1

222
146
092

¢
£

242
162
0A2

223
147
093
224
148
094

227
151
097

210
136
088

230
152
098

211
137
089

231
153
099

212
138
08A

232
154
09A

243
163
0A3
244
164
0A4

245
165
0A5
246
166
0A6

§
¤
©
ª
«

247
167
0A7

251
169
0A9
252
170
0AA

C
S
I

233
155
09B

214
140
08C

S
T

234
156
09C

254
172
0AC

215
141
08D

O
S
C

235
157
09D

255
173
0AD

216
142
08E

P
M

236
158
09E

217
143
08F

A
P
C

237
159
09F

LEGEND
033
027
01B

Octal
Decimal
Hexadecimal

253
171
0AB

256
174
0AE
257
175
0AF

260
176
0B0

300
192
0C0

320
208
0D0

261
177
0B1
262
178
0B2
263
179
0B3
264
180
0B4

µ
¶
·

250
168
0A8

213
139
08B

ESC

°
±
²
³

265
181
0B5
266
182
0B6
267
183
0B7
270
184
0B8

¹
º
»
¼
½
i
¿

271
185
0B9
272
186
0BA
273
187
0BB
274
188
0BC
275
189
0BD
276
190
0BE
277
191
0BF

À
Á
Â
Ã
Ä
Å
Æ
Ç
È
É
Ê
Ë
Ì
Í
Î
Ï

301
193
0C1
302
194
0C2
303
195
0C3
304
196
0C4
305
197
0C5
306
198
0C6
307
199
0C7
310
200
0C8
311
201
0C9
312
202
0CA
313
203
0CB
314
204
0CC
315
205
0CD
316
206
0CE
317
207
0CF

G
Ñ
Ò
Ó
Ô
Õ
Ö
CE
Ø
Ù
Ú
Û
Ü
Ä
Y
Ç
S
ß

321
209
0D1
322
210
0D2
323
211
0D3
324
212
0D4
325
213
0D5
326
214
0D6
327
215
0D7
330
216
0D8
331
217
0D9
332
218
0DA
333
219
0DB
334
220
0DC
335
221
0DD
336
222
0DE
337
223
0DF

à
á
â
ã
ä
å
æ
ç
è
é
ê
ë
ì
í
î
ï

340
224
0E0
341
225
0E1
342
226
0E2
343
227
0E3
344
228
0E4
345
229
0E5
346
230
0E6
347
231
0E7
350
232
0E8
351
233
0E9
352
234
0EA
353
235
0EB
354
236
0EC
355
237
0ED
356
238
0EE
357
239
0EF

g
ñ
ò
ó
ô
õ
ö
ce
ø
ù
ú
û
ü
ÿ
çs

360
240
0F0
361
241
0F1
362
242
0F2
363
243
0F3
364
244
0F4
365
245
0F5
366
246
0F6
367
247
0F7
370
248
0F8
371
249
0F9
372
250
0FA
373
251
0FB
374
252
0FC
375
253
0FD
376
254
0FE
377
255
0FF

LJ−02466−RAGS

Character Encoding 15

Figure 2–8 shows the Turkish ISO Latin-5 character set.
Figure 2–8 Turkish ISO Latin-5 Character Set

I
N
D
N
E
L
S
S
A
E
S
A
H
T
S
H
T
J
V
T
S
P
L
D
P
L
U

204
132
084

9
10
240
D 220
160
NBSP
C 144
0A0
S 090
221
241
P
161
U 145
0A1
1 091
222
242
P
162
U 146
0A2
2 092
223
243
S
147
163
T
0A3
S 093
224
244
C
164
R 148
0A4
H 094

205
133
085

M
W

225
149
095

206
134
086

S
P
A
E
P
A

226
150
096

Column

200
128
080

201
129
081

202
130
082

203
131
083

Row

4
5
6
7
8
9
10
11
12
13
14
15

S
S
2
S
S
3

207
135
087

227
151
097

210
136
088

230
152
098

211
137
089

231
153
099

212
138
08A

232
154
09A

¢
£
¤
¥
¦
§
ë
©
ª
«
¬

247
167
0A7

SHY

255
173
0AD

213
139
08B

C
S
I

233
155
09B

214
140
08C

S
T

234
156
09C

215
141
08D

O
S
C

235
157
09D

216
142
08E

P
M

236
158
09E

217
143
08F

A
P
C

237
159
09F

ESC

033
027
01B

Octal
Decimal
Hexadecimal

®
−

245
165
0A5
246
166
0A6

250
168
0A8
251
169
0A9
252
170
0AA
253
171
0AB
254
172
0AC

256
174
0AE
257
175
0AF

°
±
²
³
’
µ
¶
·
ç
¹
º
»
¼
½
¾
¿

260
176
0B0

300
192
0C0

320
208
0D0

340
224
0E0

261
177
0B1
262
178
0B2
263
179
0B3
264
180
0B4
265
181
0B5
266
182
0B6
267
183
0B7
270
184
0B8
271
185
0B9
272
186
0BA
273
187
0BB
274
188
0BC
275
189
0BD
276
190
0BE
277
191
0BF

À
Á
Â
Ã
Ä
Å
Æ
Ç
È
É
Ê
Ë
Ì
Í
Î
Ï

301
193
0C1
302
194
0C2
303
195
0C3
304
196
0C4
305
197
0C5
306
198
0C6
307
199
0C7
310
200
0C8
311
201
0C9
312
202
0CA
313
203
0CB
314
204
0CC
315
205
0CD
316
206
0CE
317
207
0CF

G
Ñ
Ò
Ó
Ô
Õ
Ö
×
Ø
Ù
Ú
Û
Ü
.
I
Ç
S
ß

321
209
0D1
322
210
0D2
323
211
0D3
324
212
0D4
325
213
0D5
326
214
0D6
327
215
0D7
330
216
0D8
331
217
0D9
332
218
0DA
333
219
0DB
334
220
0DC
335
221
0DD
336
222
0DE
337
223
0DF

à
á
â
ã
ä
å
æ
ç
è
é
ê
ë
ì
í
î
ï

341
225
0E1
342
226
0E2
343
227
0E3
344
228
0E4
345
229
0E5
346
230
0E6
347
231
0E7
350
232
0E8
351
233
0E9
352
234
0EA
353
235
0EB
354
236
0EC
355
237
0ED
356
238
0EE
357
239
0EF

g
ñ
ò
ó
ô
õ
ö
÷
ø
ù
ú
û
ü
ì
çs
ÿ

360
240
0F0
361
241
0F1
362
242
0F2
363
243
0F3
364
244
0F4
365
245
0F5
366
246
0F6
367
247
0F7
370
248
0F8
371
249
0F9
372
250
0FA
373
251
0FB
374
252
0FC
375
253
0FD
376
254
0FE
377
255
0FF

LEGEND
LJ−02467−RAGS

16 Character Encoding

Figure 2–9 shows the Turkish ISO Latin-5 CRM character set.
Figure 2–9 Turkish ISO Latin-5 CRM Character Set

Column

8
0

200
128
080

8
1

201
129
081

8
2

202
130
082

8
3

203
131
083

I
N
D
N
E
L
S
S
A
E
S
A
H
T
S
H
T
J
V
T
S
P
L
D
P
L
U

204
132
084

9
10
240
D 220
160
NBSP
C 144
0A0
S 090
221
241
P
161
U 145
0A1
1 091
222
242
P
162
U 146
0A2
2 092
223
243
S
163
T 147
0A3
S 093
224
244
C
164
R 148
0A4
H 094

205
133
085

M
W

225
149
095

206
134
086

226
150
096

207
135
087

S
P
A
E
P
A

210
136
088

9
8

230
152
098

211
137
089

9
9

231
153
099

212
138
08A

9
A

232
154
09A

213
139
08B

C
S
I

233
155
09B

214
140
08C

S
T

234
156
09C

215
141
08D

O
S
C

235
157
09D

216
142
08E

P
M

236
158
09E

217
143
08F

A
P
C

237
159
09F

Row

4
5
6
7
8
9
10
11
12
13
14
15

S
S
2
S
S
3

227
151
097

¢
£
¤
¥
¦
§
ë
©
ª
«
¬

SHY

®
−

245
165
0A5
246
166
0A6
247
167
0A7
250
168
0A8
251
169
0A9
252
170
0AA
253
171
0AB
254
172
0AC
255
173
0AD
256
174
0AE
257
175
0AF

°
±
²
³
’
µ
¶
·
ç
¹
º
»
¼
½
¾
¿

260
176
0B0

300
192
0C0

320
208
0D0

340
224
0E0

261
177
0B1
262
178
0B2
263
179
0B3
264
180
0B4
265
181
0B5
266
182
0B6
267
183
0B7
270
184
0B8
271
185
0B9
272
186
0BA
273
187
0BB
274
188
0BC
275
189
0BD
276
190
0BE
277
191
0BF

À
Á
Â
Ã
Ä
Å
Æ
Ç
È
É
Ê
Ë
Ì
Í
Î
Ï

301
193
0C1
302
194
0C2
303
195
0C3
304
196
0C4
305
197
0C5
306
198
0C6
307
199
0C7
310
200
0C8
311
201
0C9
312
202
0CA
313
203
0CB
314
204
0CC
315
205
0CD
316
206
0CE
317
207
0CF

G
Ñ
Ò
Ó
Ô
Õ
Ö
×
Ø
Ù
Ú
Û
Ü
.
I
Ç
S
ß

321
209
0D1
322
210
0D2
323
211
0D3
324
212
0D4
325
213
0D5
326
214
0D6
327
215
0D7
330
216
0D8
331
217
0D9
332
218
0DA
333
219
0DB
334
220
0DC
335
221
0DD
336
222
0DE
337
223
0DF

à
á
â
ã
ä
å
æ
ç
è
é
ê
ë
ì
í
î
ï

341
225
0E1
342
226
0E2
343
227
0E3
344
228
0E4
345
229
0E5
346
230
0E6
347
231
0E7
350
232
0E8
351
233
0E9
352
234
0EA
353
235
0EB
354
236
0EC
355
237
0ED
356
238
0EE
357
239
0EF

g
ñ
ò
ó
ô
õ
ö
÷
ø
ù
ú
û
ü
ì
çs
ÿ

360
240
0F0
361
241
0F1
362
242
0F2
363
243
0F3
364
244
0F4
365
245
0F5
366
246
0F6
367
247
0F7
370
248
0F8
371
249
0F9
372
250
0FA
373
251
0FB
374
252
0FC
375
253
0FD
376
254
0FE
377
255
0FF

LEGEND
ESC

033
027
01B

Octal
Decimal
Hexadecimal

LJ−02468−RAGS

Character Encoding 17

National Replacement Character Sets (NRCs)
Figure 2–10 shows the 7-bit Greek NRCs for VT mode only. Each NRC is
a 7-bit character set with 94 graphic characters.
NOTE
Digital recommends that you operate the terminal in an 8-bit
environment. The NRC sets are only provided for compatibility
with 7-bit environments.

18 Character Encoding

Figure 2–10 7-bit Greek NRCs (VT Mode Only)

Column

N
U

000
000
000

D
L

020
016
010

040
032
020

S
H

001
001
001

D
1

021
017
011

041
033
021

S
X

002
002
002

D
2

022
018
012

E
X

003
003
003

D
3

023
019
013

0
1
2
3

060
048
030

E
T

004
004
004

D
4

024
020
014

E
Q

005
005
005

N
K

025
021
015

A
K

006
006
006

S
Y

026
022
016

B
L

007
007
007

E
B

027
023
017

B
S

010
008
008

C
N

030
024
018

H
T

011
009
009

E 025
M 019

071
057
039

L
F

012
010
00A

S
B

032
026
01A

V
T

013
011
00B

E
C

033
027
01B

F
F

014
012
00C

F
S

034
028
01C

C
R

015
013
00D

G
S

035
029
01D

S
O

016
014
00E

R
S

036
030
01E

4
5
6
7
8
9
:
;
<
=
>

S
I

017
015
00F

U
S

037
031
01F

Row

031

!
"
#
$
%
&
’
(
)
*
+
,
−
.
/

042
034
022
043
035
023
044
036
024
045
037
025
046
038
026
047
039
027
050
040
028
051
041
029
052
042
02A
053
043
02B
054
044
02C
055
045
02D
056
046
02E
057
047
02F

100

120
080
050

040
Ïi 064

uÏ

140
096
060

160
112
070

061
049
031

101
065
041

121
081
051

141
097
061

161
113
071

062
050
032

102
066
042

122
082
052

142
098
062

162
114
072

063
051
033

103
067
043

123
083
053

143
099
063

163
115
073

064
052
034

104
068
044

124
084
054

144
100
064

164
116
074

065
053
035

105
069
045

125
085
055

145
101
065

165
117
075

066
054
036

106
070
046

126
086
056

146
102
066

166
118
076

067
055
037

107
071
047

127
087
057

147
103
067

167
119
077

070
056
038

110
072
048

130
088
058

150
104
068

170
120
078

131
089
059

i 105
w
069

171
121
079

132
090
05A

152
106
06A

04A

172
122
07A

153
uí
l 107
06B

173
123
07B

111

151

072
058
03A

W
I 073
049
112
K 074 aí

073
059
03B

113
075
04B

091
eí 133
05B

074
060
03C

114
076
04C

hí

154
108
06C

wí

174
124
07C

075
061
03D

115
077
04D

135
n
ií 093
05D

155
109
06D

175
125
07D

076
062
03E

116
078
04E

136
094
05E

156
110
06E

176
126
07E

077
063
03F

117
079
04F

137
095
05F

157
111
06F

DEL 127
07F

oí

134
092
05C

177

LEGEND

ESC

033
027
01B

Octal
Decimal
Hexadecimal

LJ−02455−RAGS

Character Encoding 19

Figure 2–11 shows the 7-bit Hebrew NRCs in VT mode only.
Figure 2–11 7-bit Hebrew NRCs (VT Mode Only)
Column

N
U

000
000
000

D
L

020
016
010

040
032
020

060
048
030

100
064
040

120
080
050

140
096
060

160
112
070

S
H

001
001
001

D
1

021
017
011

041
033
021

061
049
031

101
065
041

121
081
051

1
2

S
X

002
002
002

D
2

022
018
012

042
034
022

062
050
032

102
066
042

122
082
052

E
X

003
003
003

D
3

023
019
013

043
035
023

063
051
033

103
067
043

123
083
053

E
T

004
004
004

D
4

024
020
014

044
036
024

064
052
034

104
068
044

T 084
054

E
Q

005
005
005

N
K

025
021
015

045
037
025

065
053
035

105
069
045

U 085
055

A
K

006
006
006

S
Y

026
022
016

046
038
026

066
054
036

106
070
046

B
L

007
007
007

E
B

027
023
017

’

047
039
027

067
055
037

G 071
W 087
047
057

B
S

010
008
008

C
N

030
024
018

(

050
040
028

070
056
038

H 072
X
048

H
T

011
009
009

E 025
M 019

031

)

051
041
029

071
057
039

111
073
049

Y 089
059

L
F

012
010
00A

S
B

032
026
01A

052
042
02A

072
058
03A

112
074
04A

132
090
05A

V
T

013
011
00B

E
C

033
027
01B

*
+

053
043
02B

;

073
059
03B

K 075
04B

113

[

133
091
05B

F
F

014
012
00C

F
S

034
028
01C

054
044
02C

074
060
03C

114
076
04C

134
092
05C

C
R

015
013
00D

G
S

035
029
01D

−

055
045
02D

075
061
03D

M 077
04D

115

]

135
093
05D

S
O

016
014
00E

R
S

036
030
01E

056
046
02E

076
062
03E

116
078
04E

136
094
05E

S
I

017
015
00F

U
S

037
031
01F

057
047
02F

077
063
03F

_
O 079
04F

137
095
05F

ESC

033
027
01B

Octal
Decimal
Hexadecimal

Row

LEGEND

‫ב‬

‫ג‬

‫ד‬

124
‫ה‬

125

107

126
086
056

127

110

117

ℵ

130
088
058

‫ט‬

131
‫י‬

‫ל‬

‫מ‬

141
097
061
142
098
062
143
099
063
144
100
064
145
101
065
146
102
066
147
103
067
150
104
068
151
105
069
152
106
06A

‫נ‬

‫ע‬

‫פ‬

‫ר‬

‫ש‬

153
107
06B
154
108
06C

{

157
111
06F

162
114
072
163
115
073
164
116
074
165
117
075
166
118
076
167
119
077
170
120
078
171
121
079
172
122
07A
173
123
07B
174
124
07C

155
109
06D
156
110
06E

161
113
071

}

175
125
07D
176
126
07E
177
127
07F

LJ−02460−RAGS

20 Character Encoding

Figure 2–12 shows the 7-bit Turkish NRCs in VT mode only.
Figure 2–12 7-bit Turkish NRCs (VT Mode Only)
Column

N
U

000
000
000

D
L

020
016
010

040
032
020

060
048
030

S
H

001
001
001

D
1

021
017
011

041
033
021

S
X

002
002
002

D
2

022
018
012

E
X

003
003
003

D
3

023
019
013

E
T

004
004
004

D
4

024
020
014

E
Q

005
005
005

N
K

025
021
015

A
K

006
006
006

S
Y

026
022
016

B
L

007
007
007

E
B

027
023
017

B
S

010
008
008

C
N

030
024
018

H
T

011
009
009

E
M

031
025
019

L
F

012
010
00A

V
T

013
011
00B

E
C

033
027
01B

F
F

014
012
00C

F
S

034
028
01C

C
R

015
013
00D

G
R

035
029
01D

S
O

016
014
00E

R
S

036
030
01E

S
I

017
015
00F

U
S

037
031
01F

ESC

033
027
01B

Octal
Decimal
Hexadecimal

Row

032
026
01A

i
"
#
$
%
g
’
(
)
*
+
,
−
.
/

042
034
022
043
035
023
044
036
024

0
1
2
3

056
046
02E

4
5
6
7
8
9
:
;
<
=
>

057
047
02F

045
037
025
046
038
026
047
039
027
050
040
028
051
041
029
052
042
02A
053
043
02B
054
044
02C
055
045
02D

061
049
031
062
050
032
063
051
033
064
052
034
065
053
035
066
054
036
067
055
037
070
056
038
071
057
039
072
058
03A
073
059
03B
074
060
03C
075
061
03D
076
062
03E
077
063
03F

I:
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O

100
064
040

120
080
050

140
096
060

160
112
070

101
065
041
102
066
042
103
067
043
104
068
044
105
069
045
106
070
046
107
071
047
110
072
048
111
073
049
112
074
04A
113
075
04B
114
076
04C
115
077
04D
116
078
04E
117
079
04F

P
Q
R
S
T
U
V
W
X
Y
Z
Ç
S
Ö
Ç
Ü
_

121
081
051
122
082
052
123
083
053
124
084
054
125
085
055
126
086
056
127
087
057
130
088
058
131
089
059
132
090
05A
133
091
05B
134
092
05C
135
093
05D
136
094
05E
137
095
05F

G
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o

141
097
061
142
098
062
143
099
063
144
100
064
145
101
065
146
102
066
147
103
067
150
104
068
151
105
069
152
106
06A
153
107
06B
154
108
06C

p
q
r
s
t
u
v
w
x
y
z
s3

161
113
071
162
114
072
163
115
073
164
116
074
005
117
075
166
118
076
167
119
077
170
120
078
171
121
079
172
122
07A
173
123
07B
174
124
07C

155
109
06D

ö
ç

156
110
06E

176
126
07E

157
111
06F

175
125
07D

177
127
07F

LEGEND
LJ−02465−RAGS

Part 2
Control Functions
Sent to the Host

33
Keyboard Codes

This chapter describes the keyboards and the additional codes that the
terminal can send to an application program. The chapter assumes that
you are familiar with the character-encoding concepts described in the
VT420 Video Terminal Programmer Reference Manual.
The worldwide model of the terminal can use several additional keyboard
dialects. The new keyboard dialects are French/Canadian, Greek/N-A,
Hebrew/N-A, Turkish-F, and Turkish-Q. You can select the appropriate
dialect by setting the keyboard language feature in the Set-Up
Directory. This chapter describes the significant differences among the
new keyboards.

24 Keyboard Codes

Keyboard Layouts
This section shows only the main keypads for the Greek, Hebrew, and
Turkish ANSI keyboards. The editing keypad, numeric keypad, and toprow function keys on these keyboards are identical to the ANSI keyboard
layout described in the VT420 Video Terminal Programmer Reference
Manual. See Chapter 9 for a description of the PC keyboards.
The French/Canadian ANSI keyboard exists with previous versions of the
terminal.
Figure 3–1 shows the Greek/N-A ANSI keyboard.
Figure 3–1 Greek/N-A ANSI Keyboard
~
‘

!
1

@
2
Q

Tab

Ctrl

$
4

Wς

>
<

Shift

#
3

%
5

∆

^
6

Τ
G

&
7

Ω

Υ
H

Γ
Β

(
9

*
8
I

,
,

Alt
Function

GREEK

_
−

)
0

+
=
{
[

.. "
’ ‘

.
.

?
/

Return
|
\

:
;

Alt
Function

GREEK

}
]

Shift

GREEK
GREEK

Function

Figure 3–2 shows the Hebrew/N-A ANSI keyboard.
Figure 3–2 Hebrew/N-A ANSI Keyboard
~
‘ /

!
1

@
2
Q

Tab

Ctrl
Shift

>
<
Hebrew

#
3
W
S

‫ש‬
Z
æ

Alt
Function

$
4
E

’

D
‫ד‬
X
ñ

%
5
R

C
‫ב‬

T
‫ר‬

F
‫ג‬

‫ה‬

Y
ℵ

G
ë
V

&
7

^
6

H
‫ע‬
B
‫נ‬

U
‫ט‬

J
‫י‬
N

(
9

*
8

‫מ‬

I
å

K
ç
M

O
ï

_
−

)
0
í

,
, ú

{
[

:
; ó

L ê
‫ל‬

‫פ‬

+
=

.
. õ
Alt
Function

}
]
" ,
’

?
/ .

Shift

Compose
Character

Return

|
\ ;

Keyboard Codes 25

Figure 3–3 shows the Turkish-F ANSI keyboard.
Figure 3–3 Turkish-F ANSI Keyboard
*~
+#

!
1

^
2
F

Tab

>
<

Shift

Compose
Character

(
5

’

i |

Ctrl

Ö {

[

−

Ç }

]

S, &

Y
;
,

?
.

Alt
Function

_
=

@
$

O
A

)
7

/
6

Return

Shift

Alt
Function

Compose
Character

Figure 3–4 shows the Turkish-Q ANSI keyboard.
Figure 3–4 Turkish-Q ANSI Keyboard
G ~
@

!
1

‘
2

Tab

Ctrl
Shift

>
<
Compose
Character

/
3

$
4

%
5

Z
Alt
Function

^
6
T

U
H

(
9

*
8

Y
G

−
7

J
N

)
0
O

K
M

|
\

Ö &1

:
;

"
’

P
S, {
[

Ü #

?
.
Alt
Function

−
,

Ç }
]

Shift

Compose
Character

Return

+
=

26 Keyboard Codes

Special-Function Keys (ANSI Keyboard)
The following describes only the unique function keys on the additional
ANSI main keypads.
On Greek keyboard
GREEK

You use this key to change the keyboard mapping between
Greek and North American.

On Hebrew keyboard
Ctrl Hebrew

You use this key sequence to change the keyboard mapping
between Hebrew and North American.

Hebrew

This key acts the same as the Compose Character key on
other ANSI keyboards. It does not send a code. Pressing
the key starts a compose sequence. You can use compose
sequences to create characters that do not appear on
any single key (such as characters from Hebrew 8-bit
supplemental character set). You can disable the key in setup. See the description of the Compose key in the "Keyboard
Set-Up Screen" section of the Installing and Using the VT420
Video Terminal With PC Terminal Mode Update.

Part 3
Control Functions
Received from the Host

44
Emulating VT Series Terminals

The VT420 terminal can operate like Digital’s VT400, VT300, VT200, and
VT100 series text terminals. The additional features affect all levels of
operation.

Level 1 (VT100 Mode)
VT100 mode supports the Greek, Hebrew, and Turkish functionality under
the following conditions:
•

To use the Greek functionality, you must select the Greek/N-A
keyboard dialect in the Set-Up Directory screen and VT100 Mode in
the General Set-Up screen.

•

To use the Hebrew functionality, you must select the Hebrew/N-A
keyboard dialect in the Set-Up Directory screen and VT100 Mode in the
General Set-Up screen.

•

To use the Turkish functionality, you must select the Turkish-F or
Turkish-Q keyboard dialect in the Set-Up Directory screen and VT100
Mode in the General Set-Up screen.

•

When you select the Hebrew/N-A keyboard dialect, the terminal uses
the following escape sequences:
Entering Hebrew and using the escape sequence displays the
following information:
ESC ) 1

DECRLM set
DECHEBM set
DECHEM reset
29

30 Emulating VT Series Terminals

Exiting Hebrew and using the escape sequence displays the
following information:
ESC ) B

DECRLM reset
ASCII is designated into G1

Level 4 (VT400 Mode)
VT400 mode supports the Greek, Hebrew, and Turkish functionality under
the following conditions:
•

When you select the Greek/N-A keyboard dialect, the terminal uses
the character sets described for previous revisions and the Greek
character sets.

•

When you select the Hebrew/N-A keyboard dialect, the terminal uses
the character sets described for previous revisions and the Hebrew
character sets.

•

When you select the Turkish-F or Turkish-Q keyboard dialect, the
terminal uses the character sets described for previous revisions and
the Turkish character sets.

All Levels
You can enable the Hebrew encoding mode (DECHEM) at any operating
level.

All Levels
Hebrew Encoding Mode (DECHEM)

Hebrew Encoding Mode (DECHEM)
This control function sets the terminal’s character set mode to DEC
(8-bit) multinational mode. On a reset, the sequence resets the terminal’s
character set mode to (7-bit) national mode (NRC sets).
The terminal maintains DECHEM for the main display and status
line separately in the same way as it maintains National Replacement
Character Set Mode (DECNRCM).

Format
CSI
9/11

?
3/15

3
3/3

6
3/6

h
6/8

– Set

?
3/15

3
3/3

6
3/6

l
6/12

– Reset

Format
CSI
9/11

Using Character Sets

This chapter describes how you can select the French/Canadian, Greek,
Hebrew, and Turkish character sets to use with your terminal in VT
mode. This chapter assumes you are familiar with the character-encoding
concepts described in the VT420 Video Terminal Programmer Reference
Manual.
The terminal has additional hard character sets. Table 5–1 lists the hard
character sets you can select at each operating level.

Using Character Sets 33

Table 5–1 Additional Character Sets Available
Level 1

Level 4

Character Sets

(VT100
Mode)

(VT400 Mode)

8-bit Greek Supplemental

8-bit Hebrew Supplemental

8-bit Turkish Supplemental

(Greek) ISO Latin-7

(Greek) ISO Latin-7 CRM

ISO Latin-Hebrew

ISO Latin-Hebrew CRM

(Turkish) ISO Latin-5

(Turkish) ISO Latin-5 CRM

7-bit Greek NRCs3

Yes

7-bit Hebrew NRCs3

Yes

7-bit Turkish NRCs3

Yes

7-bit French/Canadian NRCs3

Yes

All character sets
are available.

3 Worldwide PC TERM model only.

Selecting Character Sets
The VT420 Video Terminal Programmer Reference Manual explains
how to select character sets. The following sections describe the control
functions you use to designate and map the additional character sets.

34 Selecting Graphic Character Sets
Designating Character Sets (SCS Sequences)

Designating Character Sets (SCS Sequences)
You designate a hard character set as G0 through G3 by using a select
character set (SCS) escape sequence as shown in Table 5–2. You cannot
designate a 96-character set as G0.
SCS sequences use the following format. Table 5–3 lists the code used to
select each available character set.
NOTE
The ISO Latin supplemental character sets are the only 96character hard sets available in the terminal. All other hard
sets have 94 characters.

Format
ESC
1/11

I1
***

I2
***

...
...

In
***

F
***

Parameters
I1 , intermediate character
Designates the character set as G0, G1, G2, or G3.
Table 5–2 Designating a Character Set
I1 Character

Code

Set Selection

94-Character Sets
(

left parenthesis

2/8

G0 (initial setting for GL)

)

right parenthesis

2/9

asterisk

2/10

G2 (initial setting for GR)

plus sign

2/11

96-Character Sets3
-

hyphen

2/13

period

2/14

slash

2/15

3 You cannot designate a 96-character set into G0.

Selecting Graphic Character Sets
Designating Character Sets (SCS Sequences)

I2 ...In F, intermediate and final characters
Selects one of the standard character sets. Table 5–3 lists the characters
used to select standard sets.
Table 5–3 Character Set Codes
I2 ...In F
Characters

Code

ASCII
(initial setting for G1 and G0)

4/2

DEC Supplemental Graphic
(initial setting for G2 and G3)

2/5, 3/5

DEC Greek Supplemental Graphic

2/2, 3/15

DEC Hebrew Supplemental Graphic

2/2, 3/4

DEC Turkish Supplemental Graphic

2/5, 3/0

DEC Special Graphics

3/0

DEC Technical

3/14

User-preferred supplemental

3/12

DEC Greek 7-bit

2/2 3/14

DEC Hebrew 7-bit

2/5, 3/13

DEC Turkish 7-bit

2/5, 3/2

ISO Latin–7 (Greek)

4/6

ISO Latin–Hebrew

4/8

ISO Latin–5 (Turkish)

4/13

Character Set
94-Character Sets

NRC Sets3

96-Character Sets

3 Only one national character set is available at a time. You must select national mode to
use national character sets. See ‘‘National Replacement Character Sets (Worldwide Model
Only)’’ in this section.

36 Selecting Graphic Character Sets
Designating Character Sets (SCS Sequences)

Examples
The following sequence designates the DEC Hebrew supplemental
character set as the G1 logical set:
ESC ) " 4

The following sequence designates the ISO Latin–7 (Greek) supplemental
character set as the G3 logical set:
ESC / F

National Replacement Character Sets
(Worldwide Model Only)
The terminal has several 7-bit character sets for different national
languages (Chapter 2). Only one national replacement character set is
available at a time.
To use a national replacement character set, you must select national
replacement character set mode. When you reset this mode, the terminal
uses 7-bit and 8-bit characters from one of the multinational character
sets. The multinational character set may be either one of the following
8-bit supplemental character sets or one of the 7-bit ISO Latin character
sets:
8-bit Supplemental
•

DEC Supplemental

•

DEC Greek 8-bit Supplemental

•

DEC Hebrew 8-bit Supplemental

•

DEC Turkish 8-bit Supplemental

7-bit ISO Latin
•

ISO Latin-1

•

ISO Latin-7 (Greek)

•

ISO Latin-Hebrew

•

ISO Latin-5 (Turkish)

When you set this mode, the terminal uses 7-bit characters from an NRC
set. See the VT420 Video Terminal Programmer Reference Manual for
more information.

Selecting Graphic Character Sets
Assigning User-Preferred Supplemental Sets (DECAUPSS)

Assigning User-Preferred Supplemental Sets (DECAUPSS)
You can assign the supplemental character set you use most often as
a special standby set. This standby set is called the user-preferred
supplemental set. This feature provides applications with an easy way to
access the user’s preferred supplemental set.
Default: DEC Supplemental Graphic

Format
DCS
9/0

0
3/0

!
2/1

u
7/5

%
2/5

5
3/5

ST
9/12

DEC Supplemental
Graphic set.

DCS
9/0

0
3/0

!
2/1

u
7/5

"
2/2

?
3/15

ST
9/12

DEC Greek 8-bit
Supplemental set.

DCS
9/0

0
3/0

!
2/1

u
7/5

"
2/2

4
3/4

ST
9/12

DEC Hebrew 8-bit
Supplemental set.

DCS
9/0

0
3/0

!
2/1

u
7/5

%
2/5

0
3/0

ST
9/12

DEC Turkish 8-bit
Supplemental set.

DCS
9/0

0
3/0

!
2/1

u
7/5

A
4/1

ST
9/12

ISO Latin-1 set.

DCS
9/0

1
3/1

!
2/1

u
7/5

F
4/6

ST
9/12

ISO Latin-7 (Greek) set.

DCS
9/0

1
3/1

!
2/1

u
7/5

H
4/8

ST
9/12

ISO Latin-Hebrew set.

DCS
9/0

1
3/1

!
2/1

u
7/5

M
4/13

ST
9/12

ISO Latin-5 (Turkish) set.

38 Selecting Graphic Character Sets
Assigning User-Preferred Supplemental Sets (DECAUPSS)

Description
You can assign any supplemental or ISO Latin supplemental set as the
standby set. After you assign a set, you must designate and map the set
before using it.
1. Designate the set as G1, G2, or G3.
2. Map the set into GR.
For more information on designating and mapping sets, see the VT420
Video Terminal Programmer Reference Manual.

66
Cursor Movement and Panning

This chapter describes the additional control functions you can use to
move the cursor. It also includes a correction to the page cursor-coupling
mode (DECPCCM) control sequence.

Moving the Cursor on the Current Page
This section describes the Cursor Direction function, which enables the
terminal to move the cursor from Right to Left or Left to Right on the
current page.

Cursor Addressing
The Cursor Direction function (Right to Left and Left to Right) does
not affect cursor addressing. The cursor position (1,1) (line 1, column 1) is
always in the upper left corner of the screen. The last column of an 80 or
132 column display is always at the right side of the screen.
Also, the Cursor Direction function does not affect the following
functions:
Cursor movement:
•

Tab

•

Margin Bell

•

Cursor Position (CUP)

•

Horizontal and Vertical Position (HVP)

40 Cursor Movement and Panning

•

Cursor Forward (CUF)

•

Cursor Backward (CUB)

Character insertion, protection and erase:
•

Insert Character (ICH)

•

Delete Character (DCH)

•

Erase in Display (ED)

•

Erase in Line (EL)

•

Selective Erase in Display (DECSED)

•

Selective Erase in Line (DECSEL)

•

Erase Character (ECH)

•

Delete Column (DECDC)

•

Insert Column (DECIC)

Right to Left Cursor Direction
The Cursor Direction function does affect the following functions:
•

Insert/Replace Mode (IRM)
When the terminal is set to Insert Mode, the firmware shifts all
characters one position to the left from the current cursor position to
the left margin.

•

Auto-wrap Mode (DECAWM)
When the terminal enables Auto-wrap, the characters automatically
wrap to the right border of the next line when the cursor reaches the
left border of a page in page memory.

•

Backspace (BS)
When the terminal receives a BS, the cursor moves one position to the
right.

•

Line feed (LF), Vertical tab (VT), and Form feed (FF)
When the terminal receives a LF, VT, and FF and sets New Line
Mode, the cursor moves to the right margin on the next line.

Moving the Cursor on the Current Page
Cursor Right to Left Mode (DECRLM)

•

Carriage return (CR)
When the terminal receives a CR, the cursor moves to the right-most
column on the current line.

•

New Line (NEL)
When the terminal receives a NEL, the cursor moves to the right-most
column on the next line.

•

Substitute character (SUB)
When the terminal receives a SUB, it performs a number of operations
described in the VT420 Video Terminal Programmer Reference
Manual. The firmware positions the displayed error character
according to the current Cursor Direction setting.

Cursor Right to Left Mode (DECRLM)
This control function starts/stops the right to left cursor direction.
DECRLM state is common to both the main display and the status line
display. The status line is effected only when you set it to Host Writable
Status Display in the Display Set-Up screen.

Format
CSI
9/11

?
3/15

3
3/3

4
4/4

h
6/8

– Set

?
3/15

3
3/3

4
4/4

l
6/12

– Reset

Format
CSI
9/11

42 Cursor Coupling
Page Cursor-Coupling Mode (DECPCCM)

Cursor Coupling
This section provides a correction to the Page Cursor-Coupling function.

Page Cursor-Coupling Mode (DECPCCM)
This control function determines if a new page appears in the display
when the cursor moves to a new page. DECPCCM is only useful with a
multiple-page format, which is described in Chapter 6 of the VT420 Video
Terminal Programmer Reference Manual.

Format
CSI
9/11

?
3/15

6
3/6

4
4/4

h
6/8

– Set: couples the cursor to the display.

?
3/15

6
3/6

4
4/4

l
6/12

– Reset: uncouples the cursor.

Format
CSI
9/11

Description
When DECPCCM is set, the cursor is coupled to the display when the
cursor moves to a new page. The new page appears in the display to keep
the cursor in view.
When DECPCCM is reset, the cursor is uncoupled from the display. If the
cursor moves to a new page, then the cursor disappears.

Cursor Movement and Panning 43

Summary
Table 6–1 lists all the control functions that affect cursor movement and
panning.
Table 6–1 Cursor Movement and Panning Sequences
Name

Mnemonic

Sequence

DECTCEM

Set: CSI ? 25 h
Visible cursor. (D)

Enabling the Cursor
Text cursor
enable mode

Reset: CSI ? 25 l
Invisible cursor.
Moving the Cursor3
Back index†

DECBI

ESC 6

Forward index†

DECFI

ESC 9

Cursor
position

CUP

CSI Pl ; Pc H
Line Pl, column Pc.

Horizontal
and vertical
position

HVP

CSI Pl ; Pc f
Line Pl, column Pc.
(Digital recommends using CUP
instead.)

Cursor
forward

CUF

CSI Pn C
Pn columns to the right.

Cursor
backward

CUB

CSI Pn D
Pn columns to the left.

Cursor up

CUU

CSI Pn A
Pn lines up.

Cursor down

CUD

CSI Pn B
Pn lines down.

3 In these sequences, the default value for Pn, Pl, and Pc is 1.

†Available in VT400 mode only.
(D) = default.

44 Cursor Movement and Panning

Table 6–1 (Continued) Cursor Movement and Panning Sequences
Name

Mnemonic

Sequence

DECRLM

Set: CSI ? 34 h
Cursor moves from right to left.

Moving the Cursor3
Cursor right to left

Reset: CSI ? 34 l
Cursor moves from left to right.
Panning3
Pan down

CSI Pn S
Pn lines down.

Pan up

CSI Pn T
Pn lines up.

Vertical
cursor-coupling mode

DECVCCM

Set: CSI ? 61 h
Coupled. (D)
Reset: CSI ? 61 l
Uncoupled.

Page
cursor-coupling mode

DECPCCM

Set: CSI ? 64 h
Coupled. (D)
Reset: CSI ? 64 l
Uncoupled.

3 In these sequences, the default value for Pn, Pl, and Pc is 1.

(D) = default.

77
Keyboard Commands

This chapter describes the added control functions for the following areas:
•

Keyboard keys

•

Screen displays including the status line

46 Keyboard Control Functions
Hebrew/N-A Keyboard Mapping (DECHEBM)

Keyboard Control Functions
This section describes the control functions that affect the mapping of the
Greek/N-A and Hebrew/N-A keyboards.

Greek/N-A Keyboard Mapping (DECNAKB)
This control function sets the keyboard mapping to North American and
resets the mapping to Greek/N-A.

Format
CSI
9/11

?
3/15

5
3/5

7
3/7

h
6/8

– Set

?
3/15

5
3/5

7
3/7

l
6/12

– Reset

Format
CSI
9/11

Hebrew/N-A Keyboard Mapping (DECHEBM)
This control function sets the keyboard mapping to Hebrew/N-A and resets
the mapping to North American.

Format
CSI
9/11

?
3/15

3
3/3

5
3/5

h
6/8

– Set

?
3/15

3
3/3

5
3/5

l
6/12

– Reset

Format
CSI
9/11

Keyboard Commands 47

User-Defined Keys (DECUDK)
This section replaces the User-Defined Keys (DECUDK) section in
Chapter 11, ‘‘Keyboard, Printing, and Display Commands,’’ of the VT420
Video Terminal Programmer Reference Manual. This section describes the
UDKs for the VT420 models without PC TERM mode. See Chapter 9 for
a description of the UDKs for the keyboards used with the VT420 with PC
TERM mode.
The keyboard has 20 function keys on its top row. You can define the
codes sent by the following keys with some exceptions:
F6 to F14 , Do , Help , and F17 to F20

The following five keys on the ANSI keyboards—F1 (Hold), F2 (Print), F3
(Set-Up), F4 (Session), and F5 (Break)—have dedicated local functions.
You can change the function of keys F1 to F4 on the ANSI keyboards by
using the local key control (DECLFKC) function. Applications cannot
disable the F5 (Break) key.

Using UDKs
User-defined keys (UDKs) are only available in VT400 mode. UDKs do
not work in VT100 and VT52 modes.
You define the function of keys by using a DECUDK device control string,
as described in the Programming UDKs section that follows. After you
define a key, you can use the new function by pressing:
Shift key

where key is the key you defined. This chapter describes how to program
the keys by using a DECUDK device control string.

UDK Memory Space
There are 256 bytes of memory available for the 15 user-defined keys.
Space is supplied on a first-come/first-serve basis. When the 256 bytes are
full, you cannot define any more keys until you clear some of the memory
space. There are three ways you can clear space:
•

Redefine one or more UDKs, with a DECUDK control string.

•

Clear one or more UDKs, with a DECUDK control string.

•

Clear all UDKs, with a terminal power-up or reset (RIS) operation.

48 User-Defined Keys (DECUDK)
Programming UDKs

Programming UDKs
You use the following device control string format to download definitions
for user-defined keys. See the VT420 Video Terminal Programmer
Reference Manual for general information about device control strings.
Available in: VT400 mode only.

Format
DCS
Device
Control
String
Introducer

Pc ; Pl
Clear and
Lock
Parameters

|
Final
Character

Ky1/St1;...Kyn/Stn
Key Definition String

ST
String
Terminator

Parameters
DCS (9/0)
indicates the beginning of a device control string. DCS is an 8-bit C1
character. You can use ESC P (1/11 5/0) for a 7-bit environment.
Pc
is the clear parameter. Pc selects how to clear key definitions.
Pc

Action

0 (default)
or none

Clear all keys before loading new values.

Clear one key at a time, before loading a new value.

When Pc is 1, the terminal only clears the keys you are loading. By using
a Pc value of 1, you can redefine some keys without redefining them all.
NOTE
There are 256 bytes of memory for all user-defined keys. A key
definition can only use the number of bytes available when that
key is loaded.

User-Defined Keys (DECUDK)
Programming UDKs

Programming Tip
If Pc is 1, a key load may fail because no memory space is available. The
reason for this is as follows.
With Pc set to 1, keys are cleared and loaded sequentially. If the new
definition for a key is larger than the old one, you may exceed the 256
byte limit.
For example, suppose F6 contains 120 bytes, F7 contains 110 bytes, and
F8 contains 20 bytes. You try to load F8 with 40 bytes, F6 with 1 byte,
and F7 with 1 byte, in that order. This works if all keys are cleared first
(Pc is 0), but not if keys are cleared one at a time (Pc is 1). When you try
to load F8 with 40 bytes, the load fails because only 26 bytes are free at
that time.
256 (maximum) 0 120 ( F6 ) 0 110 ( F7 ) = 26

Pl
is the lock parameter. Pl determines whether the key definitions are
locked or unlocked after you load them.
Pl

Action

0 or none

Lock the keys. If you want to load new values into the keys, you
must unlock the keys by using set-up.

Do not lock the keys. The keys are unlocked and can be redefined
with another DECUDK string.

If Pl is 1 and the keys are already locked, then nothing happens.
The terminal uses a special lock to prevent or allow the programming
of user-defined keys. You can turn on this lock from set-up or from
the host (with a DECUDK device control string). The lock affects all
programmable keys. When you use the lock, you should follow these
guidelines:
•

Unlock the keys to define them.
The keys must be unlocked before you can define them. You can only
unlock the keys from set-up. If a key is locked and an application
tries to redefine the key with a DECUDK sequence, then the terminal
ignores the sequence.

•

Lock the keys to prevent redefinition.
You can lock the keys from set-up or from the host (by sending a
DECUDK sequence). New key definitions are locked by default.

50 User-Defined Keys (DECUDK)
Programming UDKs

|
is the final character. The vertical bar (7/12) identifies this control string
as a DECUDK.
Ky1/St1;...Kyn/Stn
are the key definition strings. You include these strings between the final
character ( | ) and the string terminator (ST). Each string consists of a
key selector number (Kyn) and a string parameter (Stn), separated by a
slash (/, 2/15). A semicolon (3/11) separates different strings.
•

•

The key selector number (Kyn) indicates which key you are defining.
The following is a list of definable keys and their identifying values.
Key

Value

Key

Value

Key

Value

F11

F12

F17

F13

F18

FF9

F14

F19

F10

Help

F20

The string parameters (Stn) are the encoded definition of the keys.
String parameters consist of hex pairs in the following ranges:
3/0 through 3/9 (0 through 9)
4/1 through 4/6 (A through F)
6/1 through 6/6 (a through f)
When you combine these hex values, they represent an 8-bit quantity.
The ASCII table in Chapter 2 lists the hex values of characters.
This method lets you use any of the 256 character codes in the key
string. You can enter key definition strings in any order.
Default: Empty. The key is undefined.

ST
is the string terminator. ST (9/12) is a C1 8-bit character. You can use
ESC \ (1/11, 5/12) for a 7-bit environment.

User-Defined Keys (DECUDK)
Programming UDKs

Notes On Loading UDKs
Here are some general guidelines you should keep in mind when loading
UDKs.
•

Clear UDK memory space before loading new definitions.
Use a DECUDK string to clear keys without locking them. Then you
can use another DECUDK string to redefine the keys and lock them.

•

If you redefine a key, the old definition is lost.
This may clear some space if the new definition uses less bytes than
the old one.

•

There is only one way to unlock UDKs.
To unlock UDKs, you must use the General Set-Up screen.

•

The value for each key definition is empty.
When you clear UDKs, they are empty.

•

An invalid hex pair in a DECUDK string stops a UDK load
sequence.
When a load sequence stops (due to error or other cause), the terminal
saves any keys already loaded and sends the rest of the DECUDK
sequence to the screen.

Examples of DECUDK Device Control Strings
The following sequence clears unshifted UDKs:
DCS 0 ; 1 ; 1 | ST

The following sequence locks unshifted UDKs:
DCS 1 ; 0 ; 1 | ST

Suppose you want to define the unshifted F20 key to be ‘‘PRINT’’, without
clearing or locking any other keys. The first part of your sequence would
look like this:
DCS 1 ; 1 ; 1 | 3 4 /

34 is the code for the F20 key.

52 User-Defined Keys (DECUDK)
Programming UDKs

After the slash character (/, 2/15), you include the definition. The rest of
the sequence after the slash character would look like this:
5 0 5 2 4 9 4 E 5 4 ST

The hex encoding for ‘‘PRINT’’ is as follows:
50

The ST character (9/12) marks the end of the control string.
The complete string is as follows:
DCS 1 ; 1 ; 1 | 34 / 50 52 49 4E 54 ST

88
VT420 Reports

The VT420 terminal sends reports in response to requests from the
host system. The additional reports provide the host with the following
information:
•

Keyboard Device Status Report (DSR)

•

Keyboard dialect

•

Keyboard mapping

•

Cursor state

•

User-preferred supplemental character set

•

Terminal state

54 Device Status Reports (DSR)
DSR—Keyboard Status

Device Status Report (DSR)
The host computer and terminal exchange DSR sequences to provide the
host with the operating status of many features. This update provides the
status of the keyboard dialect.
DSR requests and reports follow one of two formats, ANSI standard or
DEC private. All of the additional reports use the following DEC private
format:
DEC private

CSI
9/11

?
3/15

Ps
3/?

n
6/14

Ps indicates the type of DSR requested.

The only effect to the DSR requests are additional keyboard dialects.
Refer to the VT420 Video Terminal Programmer Reference Manual for a
description of all the DSR requests.

DSR—Keyboard Status
The host asks for the current keyboard dialect, operating status, and
type. This section provides a complete list of keyboards, including the
additional keyboard dialects.
Exchange

Sequence

Meaning

Request
(Host to VT420)

CSI ? 26 n

The host asks for the
keyboard status.

Response
(VT420 to host)

CSI ? 27; Pn;
Pst; Ptyp n

The keyboard dialect is Pn,
the keyboard status is Pst,
and the keyboard type is
Ptyp.

Device Status Reports (DSR)
DSR—Keyboard Status

Dialect
Keyboard
Status3

ANSI

Pst

0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
19
22
28
29
30
32

Unknown
North American†
British
Flemish
Canadian (French)
Danish
Finnish
German
Dutch
Italian
Swiss (French)
Swiss (German)
Swedish
Norwegian
French/Belgian
Spanish Int.
Portuguese
Hebrew/N-A
Greek/N-A
Canadian (English)
Turkish-Q
Turkish-F
—

Unknown
North American†
British
Belgian
Canadian (French)
Danish
Finnish
German
—
Italian
Swiss (French)
Swiss (German)
Swedish
Norwegian
French
Spanish Int.
Portuguese
Hebrew/N-A
Greek/N-A
—
Turkish
—
Spanish Natl.

Keyboard ready.
The terminal
sends typed
characters to the
current session
(Chapter 14).‡

No keyboard.
The terminal
does not detect
the keyboard.

Keyboard busy.
The other
session is
currently using
the keyboard
(Chapter 14).‡

Ptyp
0
1
2
3

Keyboard Type
LK201/LK301
LK401
LK443/LK444
LK421

3 The terminal only sends Pst in VT400 mode.

†The terminal does not transmit Unknown. Unknown is for devices that cannot determine
the keyboard type.
‡Chapter 14, ‘‘Session Management,’’ VT420 Video Terminal Programmer Reference Manual

56 Terminal State Reports (VT400 Mode Only)
Restore Terminal State (DECRSTS)—VT400 Mode Only

Terminal State Reports (VT400 Mode Only)
The host can request the terminal’s current operating state. In response
to this request, the terminal returns a terminal state report. The host
can use the information in the report to save the current terminal state.
Later, the host can restore the terminal to the saved state.
This operation is useful for applications that need to temporarily change
the terminal’s operating state. When the application is finished, it can
restore the terminal to the previous operating state.
A terminal state report is a device control string. The report indicates the
settings of most of the terminal’s features. The terminal sends the report
in response to a request terminal state report (DECRQTSR) sequence
from the host.
This update extends DECRQTSR and DECRSTS to support the Greek,
Hebrew, and Turkish functionality, for example, the character sets, their
designators, and the keyboard dialect. Refer to Chapter 12, ‘‘VT420
Reports,’’ in the VT420 Video Terminal Programmer Reference Manual for
more details.

Terminal State Report (DECTSR)—VT420 to Host
The terminal sends this sequence in response to a request terminal state
report (DECRQTSR) sequence. DECTSR informs the host of the entire
state of the terminal, except for user-defined key definitions and the
current soft character set.

Restore Terminal State (DECRSTS)—VT400 Mode Only
This sequence restores the terminal to a previous state specified in a
terminal state report (DECTSR).

Presentation State Reports (VT400 Mode Only)
Cursor Information Report (DECCIR)—VT420 to Host

Presentation State Reports (VT400 Mode Only)
The terminal can send two presentation state reports.
Cursor information
report (DECCIR)

Reports on the cursor position, including its
visual attributes. Also reports on origin mode
(DECOM), and the current active character sets.

Tab stop report
(DECTABSR)

Reports the current tab stop settings.

The host can request the terminal’s current presentation state. In
response to this request, the terminal returns a presentation state
report. The host can use the information in the report to save the current
presentation state. Later, the host can restore the terminal to the saved
state.
This operation is useful for applications that need to temporarily change
the terminal’s presentation state. When the application is finished, it can
restore the terminal to the previous presentation state.
A presentation state report is a device control string. The terminal sends
the report in response to a request presentation state report (DECRQPSR)
sequence from the host.
This update enables the DECRSPS and DECCIR sequences to accept
the designators of the French/Canadian, Greek, Hebrew, and Turkish
character sets (Chapter 2) as assignments to one of the G0, G1, G2, or
G3 logical character sets. See the VT420 Video Terminal Programmer
Reference Manual for more details.

Cursor Information Report (DECCIR)—VT420 to Host
The terminal sends this sequence in response to a request presentation
state report (DECRQPSR) sequence. DECCIR reports the status of the
cursor position, including visual attributes and character protection
attributes. DECCIR also reports the status of origin mode (DECOM) and
the current active character sets.

58 Presentation State Reports (VT400 Mode Only)
Restore Presentation State (DECRSPS)—VT400 Mode Only

Restore Presentation State (DECRSPS)—VT400 Mode Only
This control function restores the terminal to a previous state based on
one of the presentation state reports. There are two presentation state
reports.
Cursor information report (DECCIR)
Tab stop report (DECTABSR)
A DECRSPS sequence can only restore the information from one report at
a time, cursor information, or tab stop.

Mode Settings (VT400 Mode Only)
Request Mode (DECRQM)—Host To VT420

Mode Settings (VT400 Mode Only)
The host can request the current settings of any ANSI or DEC private
modes. In response to this request, the terminal returns a report
indicating which modes are set and which are reset. The host can use
the information in the report to save the current mode settings. Later,
the host can restore the mode settings to their saved state.
This operation is useful for applications that need to temporarily change
a number of modes. When the application is finished, it can restore the
modes to their previous state.
The host requests the setting of a mode with a DECRQM sequence. The
terminal responds with a DECRPM sequence. The host can then restore a
saved setting with an SM or RM sequence. The following sections describe
these sequences.
This update enables the DECRQM, DECRPM, SM, and RM sequences to
support the following parameters in DEC private mode for the Greek and
Hebrew dialects. See Chapter 12, ‘‘VT420 Reports,’’ in the VT420 Video
Terminal Programmer Reference Manual for more details.

Request Mode (DECRQM)—Host To VT420
The host sends this control function to find out if a particular mode is set
or reset. The terminal responds with a report mode function (DECRPM).
There are two versions of the DECRQM function, for ANSI and DEC
private modes. This update only provides additional DEC private modes.

Requesting DEC Private Modes
CSI
9/11

?
3/15

Pd
3/n

$
2/4

p
7/0

Parameters
Pd
indicates the DEC private mode the host is asking about. Table 8–1 lists
the values for Pd.

60 Mode Settings (VT400 Mode Only)
Report Mode (DECRPM)—VT420 To Host

Examples
The following sequence requests the setting of a DEC private mode:
Host Request

Meaning

CSI ? 36 $ p

What is the current state of Hebrew encoding mode
(DECHEM)? (DECHEM = 36)

Notes on DECRQM
A DECRQM sequence can only ask about one mode at a time.
Table 8–1 DEC Private Modes for DECRQM, DECRPM, SM, and RM
Mode

Mnemonic

Cursor direction, right to left

DECRLM

(Hebrew) Keyboard mapping

DECHEBM

Hebrew encoding mode

DECHEM

(Greek) Keyboard mapping

DECNAKB

Report Mode (DECRPM)—VT420 To Host
The terminal sends this control function in response to a request mode
(DECRQM) function. DECRPM informs the host whether a certain mode
is set or reset.
Programming Tip
Applications can use the information in the DECRPM report to save the
current mode settings. Later, the application can restore the saved mode
settings.
This operation is useful for applications that need to temporarily change
some of the terminal’s mode settings. When the application is finished,
it can restore the mode settings that were in effect before the application
changed them. You use the set mode (SM) and reset mode (RM) functions
to restore mode settings. SM and RM are described later in this chapter.
There are two versions of DECRPM, for ANSI and DEC private modes.

Mode Settings (VT400 Mode Only)
Report Mode (DECRPM)—VT420 To Host

Reporting DEC Private Modes
CSI
9/11

?
3/15

Pd
3/n

;
3/11

Ps
3/n

$
2/4

y
7/9

Parameters
Pd
indicates which DEC private mode the terminal is reporting on. Table 8–1
lists the values for Pd.
Ps
indicates the setting of the mode. The Ps values are the same for the
ANSI and DEC private versions.

Examples
The following sequence reports the setting of a DEC private mode:
VT420 Report

Meaning

CSI ? 57; h

(Greek) Keyboard mapping is currently set.
(DECNAKB = 57, set = h)

Notes on DECRPM
The terminal can only report on one mode at a time.

62 Mode Settings (VT400 Mode Only)
Set Mode (SM)

Setting or Resetting Modes (SM and RM)
The DEC private mode has only two settings, set or reset. Soft terminal
reset and hard terminal reset affect many control functions, including
some DEC private modes.

Programming Tip
Applications can use the SM and RM functions to restore any number of
VT420 modes to a desired state. See the Report Mode (DECRPM) section
in this chapter for details.

Set Mode (SM)
This control function has two versions. You use the ANSI version to set
one or more ANSI modes. You use the DEC private version to set one or
more DEC private modes. You cannot set ANSI and DEC private modes
with the same SM sequence.

Setting DEC Private Modes
CSI
9/11

?
3/15

Pd
3/n

;
3/11

...
...

Pd
3/n

h
6/8

Parameters
Pd
indicates a DEC private mode to set. Table 8–1 lists the Pd values for
DEC private modes. You can use more than one Pd value in a sequence.

Examples
DEC Private Modes
The following sequence sets (Hebrew) keyboard mapping (DECHEBM)
and Hebrew encoding mode (DECHEM):
CSI ? 34; 36 h

34 indicates (Hebrew) keyboard mapping.
36 indicates Hebrew encoding mode.

Mode Settings (VT400 Mode Only)
Reset Mode (RM)

Reset Mode (RM)
There are two versions of this control function. You use the ANSI version
to reset one or more ANSI modes. You use the DEC private version to
reset one or more DEC private modes. You cannot reset ANSI and DEC
private modes with the same RM sequence.

Resetting DEC Private Modes
CSI
9/11

?
3/15

Pd
3/n

;
3/11

...
...

;
3/11

Pd
3/n

l
6/12

Parameters
Pd
indicates a DEC private mode to reset. Table 8–1 lists the Pd values for
DEC private modes. You can use more than one Pd value in a sequence.

Examples
DEC Private Modes
The following sequence resets (Hebrew) keyboard mapping (DECHEBM)
and Hebrew encoding mode (DECHEM):
CSI ? 34; 36 l

34 indicates (Hebrew) keyboard mapping.
36 indicates Hebrew encoding mode.

Part 4
Emulating a Personal
Computer

99
Emulating a Personal Computer

This chapter describes the additional personal computer (PC) keyboards
and character sets you can use with your terminal: French/Canadian,
Greek, Hebrew, and Turkish PC keyboards.

VT420 PC Keyboards
This section shows only the main keypad layout for the French/Canadian,
Greek, Hebrew, and Turkish PC keyboards. The editing keypad, numeric
keypad, and top-row function keys on these keyboards are identical to
the PC keyboard described in the VT420 Video Terminal Programmer
Reference Manual. See Chapter 3, ‘‘Keyboard Codes,’’ for a description of
the ANSI keyboards.
Figure 9–1 shows the French/Canadian PC keyboard.

68 Emulating a Personal Computer

Figure 9–1 French/Canadian PC Keyboard

Fix Maj

(

)

8 2

9 3

0 1/4

Mµ

..
..
.,

.
.

,
,

Entree

]

>
> }

Alt Car

Alt

Ctrl

+
= 3/4

1/2

}

"
2@

]

# \

Ctrl

GSF-MK2510-18-DG
LJ-00230-TI0
MA-1437-92.DG

Figure 9–2 shows the Greek/N-A PC keyboard.
Figure 9–2 Greek/N-A PC Keyboard

~
‘

!
1

@
2

Tab

Caps
Lock

Shift

Ctrl

#
3
WV

A
Z

Z
Alt

$
4
E

S
X

%
5
R

E
D
C

^
6
T

R
F
V

&
7

G
B

U
H
N

(
9

*
8

Q
X
M

I
K

K
<
,

_
−

)
0

O
L

{
[

P
:
;

..
’
?
/

>
.
Alt

+
=

}
]

"
‘

\
\

Enter

Shift

Ctrl

Emulating a Personal Computer 69

Figure 9–3 shows the Hebrew/N-A PC keyboard.
Figure 9–3 Hebrew/N-A PC Keyboard
~ ;
‘

!
1

@
2

Tab

Caps
Lock

Ctrl

$
4
E

’

S
‫ש‬
Z

Shift

#
3

X
æ

R
÷

D
‫ד‬

%
5

F
‫ג‬
C

T
‫ר‬

Y
ℵ

G
ë
V

‫ב‬

&
7

^
6

H
‫ע‬
B

‫ה‬

U
‫ט‬

J
‫י‬
N

‫נ‬

(
9

*
8
I
å

K
ç
M

‫מ‬

O
ï

_
−

)
0
P
í

<
, ú
ö

{
[
‫פ‬

:
; ó

L ê
‫ל‬

+ 1
=

>
. õ

Alt

}
]
"
’

|
\

Enter

?
/ .

Shift

Ctrl

Alt

Figure 9–4 shows the Turkish PC keyboard.
Figure 9–4 Turkish PC Keyboard

é
"

!
1

Caps
Lock

+
4
$

^
3
#

‘
2

%
5

&
6

(
8
[

/
7
{

@
A

>
<

)
9
]
I
K

=
0
}

_ 1
−

?
*
\

~
;
,
’

:
.

|
Ctrl

Alt

Alt Gr

Ctrl

70 Emulating a Personal Computer

VT420 PC Character Sets
The terminal provides the following additional built-in PC character sets
for the French/Canadian, Greek, Hebrew, and Turkish languages:
•

PC International (already exists for French/Canadian)

•

PC Multilingual (already exists for French/Canadian)

•

PC Greek

•

PC Hebrew

•

PC Turkish

Using PC Character Sets
PC character sets only operate in the 8-bit character mode. You can select
the PC character sets in PC TERM mode. You can use the following PC
character sets with any PC keyboard, for example, the French/Canadian
PC keyboard:
•

PC Multinational

•

PC International

Emulating a Personal Computer 71

You can use the PC Greek character set only with the Greek PC keyboard.
Figure 9–5 shows the PC Greek character set.
Figure 9–5 PC Greek Character Set
Column

200
128
080

220
144
090

240

i 160
0A0

260
176
0B0

300
192
0C0

320
208
0D0

340
224
0E0

201
129
081

221
145
091

241
161
0A1

261
177
0B1

301
193
0C1

321
209
0D1

aí

341
225
0E1

202
130
082

222
146
092

242
162
0A2

262
178
0B2

302
194
0C2

322
210
0D2

eí

342
226
0E2

203
131
083

223
147
093

243
163
0A3

263
179
0B3

303
195
0C3

323
211
0D3

hí

343
227
0E3

204
132
084

224
148
094

244
164
0A4

264
180
0B4

304
196
0C4

324
212
0D4

ïi

344
228
0E4

205
133
085

225
149
095

245
165
0A5

265
181
0B5

305
197
0C5

325
213
0D5

ií

345
229
0E5

206
134
086

226
150
096

246
166
0A6

266
182
0B6

306
198
0C6

326
214
0D6

oí

346
230
0E6

207
135
087

227
151
097

247
167
0A7

267
183
0B7

307
199
0C7

327
215
0D7

uí

347
231
0E7

I 136
a
088

230
152
098

250
168
0A8

270
184
0B8

310
200
0C8

330
216
0D8

211
137
089

231
153
099

251
169
0A9

271
185
0B9

311
201
0C9

331
217
0D9

212
138
08A

232
154
09A

252
170
0AA

272
186
0BA

312
202
0CA

213
139
08B

t
d 155
09B

253
171
0AB

273
187
0BB

313
203
0CB

214
140
08C

234
156
09C

254
172
0AC

274
188
0BC

314
204
0CC

215
141
08D

235
157
09D

255
173
0AD

275
189
0BD

216
142
08E

236
158
09E

256
174
0AE

217
143
08F

237
159
09F

257
175
0AF

ESC

033
027
01B

Row

210

233

Wí

±
³
£
ó
õ
¸
»

360
240
0F0
361
241
0F1
362
242
0F2
363
243
0F3
364
244
0F4
365
245
0F5
366
246
0F6
367
247
0F7

350
232
0E8

370
248
0F8

wí

351
233
0E9

371
249
0F9

332
218
0DA

Aí
333
í
219 E

352
234
0EA

372
250
0FA

0DB

353
235
0EB

373
251
0FB

334
220
0DC

354
236
0EC

374
252
0FC

315
205
0CD

Hí
335
í
221 I
0DD

355
237
0ED

375
253
0FD

276
190
0BE

316
206
0CE

336
222
0DE

356
238
0EE

376
254
0FE

277
191
0BF

317
207
0CF

357
239
0EF

377
255
0FF

Ïu

Oí
337
223
Uí
0DF

LEGEND
Octal
Decimal
Hexadecimal

LJ−02459−RAGS

72 Emulating a Personal Computer

You can use the PC Hebrew character set only with the Hebrew PC
keyboard.
Figure 9–6 shows the PC Hebrew character set.
Figure 9–6 PC Hebrew Character Set

Column
Row

0
1
2
3
4
5
6
7
8
9
10
11
12
13

ℵ

‫ב‬

‫ג‬

‫ד‬

‫ה‬

‫ט‬

‫י‬

‫ל‬

‫מ‬

14
15

200
128
080

220
144
090

240
160
0A0

260
176
0B0

300
192
0C0

320
208
0D0

340
224
0E0

241
161
0A1

261
177
0B1

301
193
0C1

321
209
0D1

242
162
0A2

262
178
0B2

302
194
0C2

322
210
0D2

243
163
0A3

263
179
0B3

303
195
0C3

323
211
0D3

244
164
0A4

264
180
0B4

304
196
0C4

324
212
0D4

245
165
0A5

265
181
0B5

305
197
0C5

325
213
0D5

246
166
0A6

266
182
0B6

306
198
0C6

326
214
0D6

247
167
0A7

267
183
0B7

307
199
0C7

327
215
0D7

250
168
0A8

270
184
0B8

310
200
0C8

330
216
0D8

231
153
099

251
169
0A9

271
185
0B9

311
201
0C9

331
217
0D9

232
154
09A

252
170
0AA

272
186
0BA

312
202
0CA

332
218
0DA

253
171
0AB

273
187
0BB

313
203
0CB

333
219
0DB

254
172
0AC

274
188
0BC

314
204
0CC

334
220
0DC

255
173
0AD

275
189
0BD

315
205
0CD

335
221
0DD

256
174
0AE

276
190
0BE

316
206
0CE

336
222
0DE

257
175
0AF

277
191
0BF

317
207
0CF

337
223
0DF

‫נ‬

201
129
081
202
130
082

230
152
098

‫ר‬

‫ש‬

233
155
09B

214
140
08C

ª
º
¿

227
151
097

213
139
08B

217
143
08F

226
150
096

212
138
08A

216
142
08E

225
149
095

207
135
087

215
141
08D

224
148
094

‫פ‬

205
133
085

211
137
089

223
147
093

204
132
084

210
136
088

222
146
092

‫ע‬

203
131
083

206
134
086

221
145
091

á
í
ó
ú
ñ
Ñ

234
156
09C

235
157
09D

Pt
¦

236
158
09E
237
159
09F

¡
«

a
b
G
p
S
s
m
t
F
Q
W
d
¥
Æ
Î
Ç

341
225
0E1
342
226
0E2
343
227
0E3
344
228
0E4
345
229
0E5
346
230
0E6
347
231
0E7
350
232
0E8
351
233
0E9

º
±
³
£
ó
õ
¸
»

354
236
0EC
355
237
0ED

361
241
0F1
362
242
0F2
363
243
0F3
364
244
0F4
365
245
0F5
366
246
0F6
367
247
0F7
370
248
0F8

352
234
0EA
353
235
0EB

360
240
0F0

Ö
n
²

371
249
0F9
372
250
0FA
373
251
0FB
374
252
0FC
375
253
0FD

356
238
0EE

376
254
0FE

357
239
0EF

377
255
0FF

LEGEND
ESC

033
027
01B

Octal
Decimal
Hexadecimal

LJ−02464−RAGS

Emulating a Personal Computer 73

You can use the PC Turkish character set only with the Turkish PC
keyboard.
Figure 9–7 shows the PC Turkish character set.
Figure 9–7 PC Turkish Character Set

Row

0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

Column

Ç
ü
é
â
ä
à
å
ç
ê
ë
è
ï
î
ì
Ä
Å

200
128
080

220
144
090

260
176
0B0

300
192
0C0

320
208
0D0

340
224
0E0

241
161
0A1

261
177
0B1

301
193
0C1

242
162
0A2

262
178
0B2

302
194
0C2

243
163
0A3

263
179
0B3

303
195
0C3

244
164
0A4

264
180
0B4

304
196
0C4

265
181
0B5

305
197
0C5

230
152
098

á
í
ó
ú
ñ
Ñ
G
g
¿

240
160
0A0

231
153
099

213
139
08B

É
æ
Æ
ô
ö
ò
û
ù
.
I
Ö
Ü
ø

214
140
08C

201
129
081
202
130
082
203
131
083
204
132
084
205
133
085
206
134
086
207
135
087
210
136
088
211
137
089
212
138
08A

215
141
08D
216
142
08E
217
143
08F

Ø
Ç
S
çs

221
145
091
222
146
092
223
147
093
224
148
094
225
149
095
226
150
096
227
151
097

232
154
09A

245
165
0A5
246
166
0A6
247
167
0A7
250
168
0A8

Á
Â
À
©

266
182
0B6
267
183
0B7

ã
Ã

306
198
0C6
307
199
0C7

º
ª
Ê
Ë
È

321
209
0D1
322
210
0D2
323
211
0D3
324
212
0D4
325
213
0D5

Í
Î
Ï

326
214
0D6
327
215
0D7

270
184
0B8

310
200
0C8

251
169
0A9

271
185
0B9

311
201
0C9

331
217
0D9

252
170
0AA

272
186
0BA

312
202
0CA

332
218
0DA

330
216
0D8

233
155
09B

253
171
0AB

273
187
0BB

313
203
0CB

333
219
0DB

234
156
09C

254
172
0AC

274
188
0BC

314
204
0CC

334
220
0DC

235
157
09D

255
173
0AD

275
189
0BD

315
205
0CD

236
158
09E

256
174
0AE

276
190
0BE

316
206
0CE

237
159
09F

257
175
0AF

¢
¥

277
191
0BF

317
207
0CF

¦
Ì

Ó
b
Ô
Ò
õ
Õ
m

335
221
0DD

×
Ú
Û
Ù
ì
ÿ

336
222
0DE
337
223
0DF

341
225
0E1

−
±

342
226
0E2
343
227
0E3

361
241
0F1
362
242
0F2
363
243
0F3

347
231
0E7

¾
¶
§
¸
ç

350
232
0E8

370
248
0F8

351
233
0E9

371
249
0F9

352
234
0EA

372
250
0FA

344
228
0E4
345
229
0E5
346
230
0E6

353
235
0EB
354
236
0EC
355
237
0ED

¹
³
²

356
238
0EE

360
240
0F0

357
239
0EF

364
244
0F4
365
245
0F5
366
246
0F6
367
247
0F7

373
251
0FB
374
252
0FC
375
253
0FD
376
254
0FE

377
255
0FF

LEGEND
ESC

033
027
01B

Octal
Decimal
Hexadecimal

LJ−02469−RAGS

74 Enabling or Disabling PC TERM Mode
Change Emulation Mode

Enabling or Disabling PC TERM Mode
You can enable and disable PC TERM mode from the General Set-Up
screen or by using the change emulation mode sequence.

Change Emulation Mode
In this mode, the terminal can use only one PC character set at a time.

Format
ESC
1/11

[
5/11

?
3/15

Ps
3/n

;
3/11

Pc
3/n

r
7/2

Parameters
Ps
selects the operating mode.
Ps

Operating Mode

0 (default)

VT mode with a PC keyboard

PC TERM mode

Pc
selects one PC character set or a UPSS character set.
Pc

Character Set

0 (default)

default

PC Multilingual

PC International

PC Danish/Norwegian

PC Spanish

PC Portuguese

UPSS DEC Supplemental

Enabling or Disabling PC TERM Mode
Change Emulation Mode
Pc

Character Set

UPSS ISO Latin-1

210

PC Greek

862

PC Hebrew

857

PC Turkish

76 Emulating a Personal Computer

User-Defined Keys (DECUDK for PC TERM)
This section describes the UDKs for the keyboards used with the VT420
with PC TERM mode. Refer to Chapter 7 for a description of the UDKs
for the keyboards used with the original VT420.
The following keyboards have the following user-defined keys (UDKs):
ANSI Keyboard
F1 to F20
Shift F1 to Shift F20

Short ANSI Keyboard
F1 to F10
Extend F1 to Extend F10
Shift F1 to Shift F10
Shift Extend F1 to Shift Extend F10

PC Keyboard
F1 to F12
Shift F1 to Shift F12
Alt F1 to Alt F12
Alt Shift F1 Alt Shift F12

The following five keys on the ANSI keyboards—F1 (Hold), F2 (Print), F3
(Set-Up), F4 (Session), and F5 (Break)—have dedicated local functions.
You can change the function of keys F1 to F4 on the ANSI keyboards by
using the local function key control (DECLFKC) function. Applications
cannot disable the F5 (Break) key.

Emulating a Personal Computer 77

Using UDKs
User-defined keys (UDKs) are only available in VT400 mode and PC
TERM mode. UDKs do not work in VT100 and VT52 modes.
You define the function of keys by using a DECUDK device control string,
as described in the Programming UDKs section that follows. After you
define a key, you can use the new function by pressing
Shift key

where key is the key you defined. This chapter describes how to program
the keys by using a DECUDK device control string.

UDK Memory Space
There are 768 bytes of memory available for the 48 user-defined keys.
Space is supplied on a first-come/first-serve basis. When the 768 bytes are
full, you cannot define any more keys until you clear some of the memory
space. There are three ways you can clear space.
•

Redefine one or more UDKs, with a DECUDK control string.

•

Clear one or more UDKs, with a DECUDK control string.

•

Clear all UDKs, with a terminal power-up or reset (RIS) operation.

78 User-Defined Keys (DECUDK for PC TERM)
Programming UDKs

Programming UDKs
You use the following device control string format to download definitions
for user-defined keys. See Chapter 2, "Character Encoding," for general
information about device control strings.
Available in: VT400 mode and PC TERM mode only.

Format
DCS
Device
Control
String
Introducer

Pc ; Pl ; Pm
Clear,
Lock, and
Modifier

|
Final
Character

Ky1/St1;...Kyn/Stn
Key Definition String

ST
String
Terminator

Action

0 (default)
or none

Clear all keys before loading new values.

Clear one key at a time, before loading a new value.

When Pc is 1, the terminal only clears the keys you are loading. By using
a Pc value of 1, you can redefine some keys without redefining them all.
NOTE
There are 768 bytes of memory for all user-defined keys. A key
definition can only use the number of bytes available when that
key is loaded.

User-Defined Keys (DECUDK for PC TERM)
Programming UDKs

Programming Tip
If Pc is 1, a key load may fail because no memory space is available. The
reason for this is as follows.
With Pc set to 1, keys are cleared and loaded sequentially. If the new
definition for a key is larger than the old one, you may exceed the 768
byte limit.
For example, suppose F6 contains 412 bytes, F7 contains 330 bytes, and
F8 contains 20 bytes. You try to load F8 with 40 bytes, F6 with 1 byte,
and F7 with 1 byte, in that order. This works if all keys are cleared first
(Pc is 0), but not if keys are cleared one at a time (Pc is 1). When you try
to load F8 with 40 bytes, the load fails because only 26 bytes are free at
that time.
768 (maximum) 0 412 ( F6 ) 0 330 ( F7 ) = 26

Pl
is the lock parameter. Pl determines whether the key definitions are
locked or unlocked after you load them.
Pl

Action

0 or none

Lock the keys. If you want to load new values into the keys, you
must unlock the keys by using set-up.

Do not lock the keys. The keys are unlocked and can be redefined
with another DECUDK string.

If Pl is 1 and the keys are already locked, nothing happens.
The terminal uses a special lock to prevent or allow the programming
of user-defined keys. You can turn on this lock from set-up or from
the host (with a DECUDK device control string). The lock affects all
programmable keys. When you use the lock, you should follow these
guidelines:
•

Unlock the keys to define them.
The keys must be unlocked before you can define them. You can only
unlock the keys from set-up. If a key is locked and an application tries
to redefine the key with a DECUDK sequence, the terminal ignores
the sequence.

•

Lock the keys to prevent redefinition.
You can lock the keys from set-up or from the host (by sending a
DECUDK sequence). New key definitions are locked by default.

80 User-Defined Keys (DECUDK for PC TERM)
Programming UDKs

Pm
is the modifier parameter. Pm designates whether the key is shifted or
unshifted.
Pm

Action

0, 2, or none

Define the shifted function key.

Defines the unshifted function key.

Defines the alternate unshifted function key.

Defines the alternate shifted function key.

The key selector number (Kyn) indicates which key you are defining.
Tables 9–1 and 9–2 list the definable keys and their identifying
values.

User-Defined Keys (DECUDK for PC TERM)
Programming UDKs

Table 9–1 ANSI and Short ANSI Keyboards
Pm = 1

Pm = none, 0, or 2

Kyn

ANSI

Short ANSI

ANSI

Short ANSI

Shift F1

Shift F2

Shift F3

Shift F4

Shift F5

Shift F6

Shift F7

Shift F8

Shift F9

F10

Shift F10

Shift Extend F10

F11

Extend F1

Shift F11

Shift Extend F1

F12

Extend F2

Shift F12

Shift Extend F2

F13

Extend F3

Shift F13

Shift Extend F3

F14

Extend F4

Shift F14

Shift Extend F4

F15

Extend F5

Shift F15

Shift Extend F5

F16

Extend F6

Shift F16

Shift Extend F6

F17

Extend F7

Shift F17

Shift Extend F7

F18

Extend F8

Shift F18

Shift Extend F8

F19

Extend F9

Shift F19

Shift Extend F9

F20

Extend F10

Shift F20

Shift Extend F10

NOTE
Pm values of 3 and 4 are specific to the PC keyboard. They are ignored
when you use an ANSI or short ANSI keyboard.

82 User-Defined Keys (DECUDK for PC TERM)
Programming UDKs

Table 9–2 PC Keyboards
Pm Value
Kyn

None, 0, or 2

Shift F1

Alt F1

Alt Shift F1

Shift F2

Alt F2

Alt Shift F2

Shift F3

Alt F3

Alt Shift F3

Shift F4

Alt F4

Alt Shift F4

Shift F5

Alt F5

Alt Shift F5

Shift F6

Alt F6

Alt Shift F6

Shift F7

Alt F7

Alt Shift F7

Shift F8

Alt F8

Alt Shift F8

Shift F9

Alt F9

Alt Shift F9

F10

Shift F10

Alt F10

Alt Shift F10

F11

Shift F11

Alt F11

Alt Shift F11

F12

Shift F12

Alt F12

Alt Shift F12

Alt F3

Alt Shift F3

–

Alt F4

Alt Shift F4

–

Alt F5

Alt Shift F5

–

Alt F6

Alt Shift F6

–

Alt F7

Alt Shift F7

–

Alt F8

Alt Shift F8

–

Alt F9

Alt Shift F9

–

Alt F10

Alt Shift F10

–

Alt F11

Alt Shift F11

–

Alt F12

Alt Shift F12

–

User-Defined Keys (DECUDK for PC TERM)
Programming UDKs

•

ST
is the string terminator. ST (9/12) is a C1 8-bit character. You can use
ESC \ (1/11, 5/12) for a 7-bit environment.

Notes On Loading UDKs
Here are some general guidelines you should keep in mind when loading
UDKs.
•

Clear UDK memory space before loading new definitions.
Use a DECUDK string to clear keys without locking them. Then you
can use another DECUDK string to redefine the keys and lock them.

•

If you redefine a key, the old definition is lost.
This may clear some space if the new definition uses less bytes than
the old one.

•

There is only one way to unlock UDKs.
To unlock UDKs, you must use the General Set-Up screen.

•

The value for each key definition is empty.
When you clear UDKs, they are empty.

•

84 User-Defined Keys (DECUDK for PC TERM)
Programming UDKs

Examples of DECUDK Device Control Strings
The following sequence clears unshifted UDKs:
DCS 0 ; 1 ; 1 | ST

The following sequence locks unshifted UDKs:
DCS 1 ; 0 ; 1 | ST

Suppose you want to define the unshifted F20 key to be ‘‘PRINT’’, without
clearing or locking any other keys. The first part of your sequence would
look like this:
DCS 1 ; 1 ; 1 | 3 4 /

34 is the code for the F20 key.
After the slash character (/, 2/15), you include the definition. The rest of
the sequence after the slash character would look like this:
5 0 5 2 4 9 4 E 5 4 ST

The hex encoding for ‘‘PRINT’’ is as follows:
50

The ST character (9/12) marks the end of the control string.
The complete string is as follows:
DCS 1 ; 1 ; 1 | 34 / 50 52 49 4E 54 ST

Index
A
ANSI keyboards
Greek/N-A, 24
Hebrew/N-A, 24
Turkish-F, 25
Turkish-Q, 25

C
Character encoding, 5
Character set codes, 35
Character sets, 32
French/Canadian, 6
Greek, 7, 71
Greek NRC, 18
Hebrew, 11, 72
Hebrew NRC, 19
Turkish, 14, 73
Turkish NRC, 20
Character sets, selecting
designating, 34
Hebrew encoding mode, 31
national replacement character
(NRC) sets, 36
user-preferred supplemental sets,
37
Characters sets, selecting
overview, 33
Command
by control function
CSI ? 26 n (DSR—Keyboard
status request), 54
CSI ? 27 ; Pn ; Pst ; Pty n
(DSR—Keyboard status
reply), 54
CSI ? 3 4 h (DECPCCM set),
42
CSI ? 3 4 h (DECRLM set),
41

Command
by control function (cont’d)
CSI ? 3 4 l (DECPCCM reset),
42
CSI ? 3 4 l (DECRLM reset),
41
CSI ? 3 6 h (DECHEM set),
31
CSI ? 3 6 l (DECHEM reset),
31
CSI ? 5 7 h (DECHEBM set),
46
CSI ? 5 7 h (DECNAKB set),
46
CSI ? 5 7 l (DECHEBM
reset), 46
CSI ? 5 7 l (DECNAKB reset),
46
CSI ? Pd $ p (DECRQM—
DEC private modes),
59
CSI ? Pd ; ... ; Pd h (SM—
DEC private modes),
62
CSI ? Pd ; ... ; Pd l (RM—
DEC private modes),
63
CSI ? Pd ; Ps $ y (DECRPM—
DEC private modes),
60
DCS 0 ! u " 4 ST
(DECAUPSS—
DEC Hebrew 8-bit
Supplemental), 37
DCS 0 ! u " ? ST
(DECAUPSS—
DEC Greek 8-bit
Supplemental), 37
DCS 0 ! u % 0 ST
(DECAUPSS—
DEC Turkish 8-bit
Supplemental), 37

Index 1

2 Index

Command
by control function (cont’d)
DCS 0 ! u % 5 ST
(DECAUPSS—DEC
Supplemental), 37
DCS 0 ! u A ST (DECAUPSS—
ISO Latin-1), 37
DCS 1 ! u F ST (DECAUPSS—
ISO Latin-7 (Greek)),
37
DCS 1 ! u H ST (DECAUPSS—
ISO Latin-Hebrew),
37
DCS 1 ! u M ST (DECAUPSS—
ISO Latin-5 (Turkish)),
37
DCS 1 $ s D...D ST
(DECTSR), 56
DCS 1 $ u D...D ST
(DECCIR), 57
DCS Pc ; Pl | Ky1/St1;...Kyn
/Stn ST (DECUDK),
48, 78
DCS Ps $ p D...D ST
(DECRSTS), 56
DCS Ps $ t D...D ST
(DECRSPS), 58
ESC intermediate final (SCS),
34
by mnemonic
DECAUPSS (assign userpreferred supplemental
set), 37
DECCIR (cursor information
report), 57
DECHEBM (Hebrew/N-A
keyboard mapping), 46
DECHEM (Hebrew encoding
mode), 31
DECNAKB (Greek/N-A
keyboard mapping),
46
DECPCCM (page cursorcoupling mode), 42
DECRLM (cursor right to left
mode), 41
DECRPM (report mode), 60

Command
by mnemonic (cont’d)
DECRQM (request mode), 59
DECRSPS (restore
presentation state),
58
DECRSTS (restore terminal
state), 56
DECTSR (terminal state
report), 56
DECUDK (user-defined keys),
48
DECUDK for PC TERM
(user-defined keys), 78
DSR (Keyboard status), 54
RM (reset mode), 63
SCS (select character set), 34
SM (set mode), 62
by name
Assign user-preferred
supplemental set
(DECAUPSS), 37
Cursor information report
(DECCIR), 57
Cursor right to left mode
(DECRLM), 41
Greek/N-A keyboard mapping
(DECNAKB), 46
Hebrew encoding mode
(DECHEM), 31
Hebrew/N-A keyboard
mapping (DECHEBM),
46
Keyboard status (DSR), 54
Page cursor-coupling
(DECPCCM), 42
Report mode (DECRPM), 60
Request mode (DECRQM),
59
Reset mode (RM), 63
Restore presentation state
(DECRSPS), 58
Restore terminal state
(DECRSTS), 56
Select character set (SCS), 34
Set mode (SM), 62

Index 3

Command
by name (cont’d)
Terminal state report
(DECTSR), 56
User-defined keys
(DECUDK), 48
User-defined keys (DECUDK
for PC TERM), 78
Cursor, 39
moving on the page, 39 to 42
right to left mode, 41
Cursor coupling, 42
page, 42

D
DEC Greek 8-bit Supplemental
character set, 37
DEC Hebrew 8-bit Supplemental
character set, 37
DEC Supplemental Graphic
character set, 37
DEC Turkish 8-bit Supplemental
character set, 37
Designating character sets, 34
Device status reports, 54 to 55
display commands, 45

G
Greek character sets, 7, 18, 71
DEC Greek Supplemental, 7
Greek NRC, 18
ISO Latin-7, 8
ISO Latin-7 CRM, 10
PC Greek, 71
Greek keyboards
PC, 68
Greek/N-A keyboard
ANSI, 24
mapping, 46

Hebrew character sets, 11, 19, 72
DEC Hebrew supplemental, 11
Hebrew NRC, 19
ISO Latin-Hebrew, 12
ISO Latin-Hebrew CRM, 13
PC Hebrew, 72
Hebrew keyboards
PC, 69
Hebrew/N-A keyboard
ANSI, 24
mapping, 46

Emulation, 29

In-use table, 33
ISO Latin-5 (Turkish) set, 37
ISO Latin-7 supplemental set
(Greek), 37
ISO Latin Alphabet Nr 1
supplemental set, 37
ISO Latin-Hebrew supplemental set,
37

Features, 3
French/Canadian character sets, 6,
70
French/Canadian keyboard
PC, 68

4 Index

Keyboard
user-defined keys, 47 to 52, 76 to
84
Keyboard codes, 23
keyboard commands, 45
Keyboard control functions, 46 to 52,
76 to 84
Keyboard mapping
Greek/N-A, 46
Hebrew/N-A, 46

Reports, 53
cursor information report, 57
report mode, 60
request mode, 59
reset mode, 63
restore presentation state, 58
restore terminal state, 56
set mode, 62
terminal state, 56
Right to left mode
cursor, 41

M
Mode settings, 59 to 63
setting or resetting, 62

N
National replacement character
(NRC) sets, 36

P
PC Character sets
French/Canadian, 70
Greek, 71
Hebrew, 72
Turkish, 73
PC keyboards
French/Canadian, 68
Greek, 68
Hebrew, 69
Turkish, 69
Personal computer, 67
Presentation state reports, 57 to 58

S
Supplemental character sets
See User-preferred supplemental
character sets

T
Terminal state reports, 56
Turkish character sets, 14, 20, 73
8-bit Turkish supplemental, 14
PC Turkish, 73
Turkish ISO Latin-5, 15
Turkish ISO Latin-5 CRM, 16
Turkish NRC, 20
Turkish keyboards
ANSI
Turkish-F, 25
Turkish-Q, 25
PC, 69

U
User-defined keys, 47 to 52, 76 to 84
memory space, 47, 77

Index 5

User-preferred supplemental
character sets, 37