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EK-VR150-IN-001

May 1987

25 pages

Original

4.4MB

Document:	VR150 Installation Owners Guide
Order Number:	EK-VR150-IN
Revision:	001
Pages:	25
Original Filename:	EK-VR150-IN-001_VR150_Installation_Owners_Guide_198708.pdf

OCR Text

EK-VR150-IN-001

VR150
Installation/ Owner's Guide

VR150 Installation/Owner's Guide

Order No. EK-VR150-IN-001

digital equipment corporation
maynard , massachusetts

ht Edition, August, 1987
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, if any, 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 or equipment that is not supplied by Digital Equipment
Corporation or its affiliated companies.
FCC NOTICE: The equipment described in thill manual generates, uses, and may emit radio
frequency energy. The equipment has been type tested and found to comply with the limits
for a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules, which are
designed to provide reasonable protection against such radio frequency interference when
operated in a commercial environment . Operation of this equipment in a residential area
may cause interference, in which case the user at his own expense may be required to take
measures to correct the interference.
Copyright ©1987 by Digital Equipment Corporation.
All Rights Reserved.
Printed in Japan
The following are trademarks of Digital Equipment Corporation:
DEC
DEC/CMS
DEC/MMS
DECnet
DECsystem- 10
DECSYSTEM- 20
DECUS
DECwriter

DIBOL
EduSystem
IAS
MASS BUS
PDP
PDT
RSTS
RSX

UNIBUS
VAX
VAXcluster
VMS
VT

~nmnnma

Contents
ABOUT THIS MANUAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
UNPACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
MAINTENANCE . . . . . . . . . . . . . . .. . . . .. . . . . . . . . . . . . . . . 10
REPAIRS . .. ... . .. . .. . . . . . . . . . . . . . . . . . . . . . . . . .. .. . 16
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Tables
1
2

Monitor Controls and Indicator . . . . . . . . . . . . . . . . . . . . . . . 6
Correcting Simple Problems . .. . .. . .... .. . .. .. . .. .... 14

iii

ABOUT THIS MANUAL
This guide describes how to install, operate, and maintain your VR150 monitor. Perform the steps in sequence.

ABOUT THE VR150
The VR150 is a monochrome monitor with a 383 mm (15 in) diagonal screen.
When connected to a host system, the VR150 can display information you
send to the host system and information the host system sends to you.

BEFORE YOU START
The kind of host system you have affects the way you prepare to operate your
monitor. Refer to your host system manuals for the following information.
•

Must any option module be installed in the host system to support your
monitor?

•

Do you have your host system's video cable assembly?

WARNINGS, CAUTIONS, NOTES
The warnings, cautions, and notes in this installation manual have specific
purposes.
WARNINGS contain important information that relate to personal safety.
CAUTIONS contain information to prevent damage to the equipment.
NOTES contain general information.

UNPACKING
Unpack the carton and check the contents.
NOTE: The power cord may be supplied separately.
CAUTION: This procedure requires two people. The shipping weight of the monitor

is less than 19.43 kilograms (45 pounds). The weight of the monitor is 16.34
kilograms (36 pounds).
Save the shipping carton and the packing material in case you need to return
the monitor for service.

0000000

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Mffi

POWER COAD

V A150 MONOCHROME MON ITOR

VA150 INSTALLATION/
OWNER'S GU IDE

Check for missing or damaged items.
If you discover missing items, contact your sales representative. If you

discover damaged items, contact your delivery agent.

Call Digital Equipment Corporation when you need help.
Refer to the Repairs section in this manual for the correct phone number.
Be ready to report the model number and serial number of your monitor.

Avoid damage to your diskettes.
The electromagnetism from your monitor may damage diskettes by distorting or erasing the magnetic patterns. Do not place any magnetic media on
or near your monitor.

Select the monitor's location.
Refer to the Specifications section at the end of this manual for information
you should consider when selecting a location for the monitor.

INSTALLATION
Place th e monito r on a level surface.
CAUTION: This procedure requires two people. The monitor weighs 16.34 kilograms (36 pounds).

M A -0538-BJ·

Connect the cables to the monitor.
The video cable assembly (host system cable) is shipped with your host
system. Refer to your host system documentation for information.
1. Screw the video cable assembly into the cable mounting plate.
CAUTION: Failure to secure the video cable assembly to the cable mounting

plate may strain the cable and may also cause radio emissions in excess of FCC
guidelines.

. . . .0

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:::::::

••••••

V I DE O CAB L E
ASSEMBL Y

CABLE MOUNTIN G
PLAT E
MA-0908·87 A.

2. Connect the video cable to the video connector on the rear panel. Push
the cable in and turn the connector clockwise to lock it in place.
3. Connect the keyboard cable and mouse cable to the video cable assembly.

/
:::::::0
mm:

·······
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::
:=:::
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--------

MA-0908-870

Locate the monitor controls and power Indicator.
Table 1 describes the monitor controls and power indicator.

Table 1:. Monitor Controls and Indicator
Control/Indicator

Function

Brightness control

Lets you adjust the video raster (background intensity) to
compensate for ambient light in the room.

Contrast control

Lets you adjust the video display to a suitable intensity.

Power switch

Lets you turn the monitor on and off. Press the switch in to
turn the power on. Press the switch out to turn the power
off. Turn off the monitor at the end of the workday to
extend the life of the monitor.

Power indicator
(green)

Turns on to indicate the presence of power. Turns off to
indicate the absence of power.

Set the monitor power switch to the off position.
Connect the power cord first to the monitor, then to the
wall outlet.
CAUTION: To avoid damaging a monitor that has been moved inside from a cold
environment, let the monitor warm to room temperature before you turn it on.

~
POWER

POWER

INDICATOR

ON/OF F

~/ -

m~mo
~i!Si!i

--------

:::::::
·······
:::::::

OPERATION
Set the monitor power switch to the on position.
Watch for the green power indicator to turn on. Wait about 30 seconds for
a video display.
NOTE: If the green power indicator does not htrn on or if a video display does not
appear, refer to the Identifying and Correcting Problems table in the Maintenance
section of this manual.

Set the brightness and contrast controls.
1. Increase both the brightness and contrast to the maximum.
2.

Decrease the brightness until the raster (background intensity) just disappears.

3. Adjust the contrast to your viewing preference.

BLACK
SCRE EN
RASTER

PICTURE

-p.

~----1-~BRJGHTNESS

CONTRAST

POWER

INDI CATOR

ON /OF F

Adjust the tilt-swivel stand to a comfortable viewing
angle.
CAUTION: The monitor does not swivel in a complete circle. If you try to swivel
t11e monitor in a complete circle, you may damage the base.

To set the angle, tilt the monitor forward or backward to the desired position.
You can swivel the monitor about its base and still maintain the tilt angle.

MAINTENANCE
Cleaning the Screen
NOTE: Before cleaning tlte screen, turn your monitor off and wait 20 seconds to let
static electricity dissipate.
Clean the screen with the Digital-approved screen cleaning kit (Digital part
number VTlXX-KF) .

Replacing the Fuse
NOTE: Before replacing the fuse, turn your monitor off and wait 10 seconds. Disconnect the power cord first from tlte wall outlet, then from the monitor.
Your monitor uses a 4 amp, 250 volt slow blow fuse (T4 amp, 250 volt slow
blow fuse for the international version).
To replace the fuse:
1. Turn your monitor off and wait 20 seconds; then unplug the power cord.

~~ / -

ID
.
..

------

Remove the video cable assembly, including the video cable, from the
cable mounting plate.
NOTE: Failure to remove the video cable causes strain 011 the video cable as-

sembly.

. . . .o

~ / _ __

!11!!1!

----------

·······
·······

:::::::

Push and turn the fuse carrier, using a screwdriver.

4. Pull out the fuse carrier and replace the fuse .
5.

Replace the video cable assembly. (Refer to the Installation section of
this manual.)

1mmo

........
........
·······
·······
~·····

-----

Identifying and Correcting Problems
Problems on the monitor screen display may come from a number of
sources: your host system, power sources, nearby electromechanical sources,
or the monitor itself.
The following troubleshooting table deals primarily with monitor problems.
The table also helps you determine if the problem is in the monitor, a source
external to the monitor, or an input device. The following input devices can
be sources of problems.
•

Keyboard

•

Mouse

•

Tablet

•

Host video cable assembly

•

Host system

When you have a problem with your monitor, follow these steps.
1. Note the symptoms of the problem.
2. Check the Symptom column in Table 2 for a match.
3. Check the conditions for that symptom in the Possible Cause column. If the column contains more than one possible cause, check
the possible causes and their suggested solutions in the order listed .
4. Follow the advice in the Suggested Solution column.
If you perform all the suggested solutions and the problem still exists, refer
to the Repairs section. That section describes the procedures to call for
service.

Table 2:

Correcting Simple Problems

Symptom

Possible Cause

Suggested Solution

One of the input devices has a
faulty or loose connection.

Turn the monitor and
host system off. Disconnect and reconnect
the input devices. Turn
the monitor and host
system on.

Host system or one of the input devices is faulty.

Turn the monitor off.
Contact Field Service.

Video cable assembly is disconnected from either the monitor or host system.

Refer to the Installation section of this manual and host system manuals for correct procedures to install the video
cable assembly. Reconnect the cable.

Monitor or host system is faulty. Turn the monitor and
host system off. Contact Field Service.

CAUTION: Before moving the monitor, turn the monitor off and wait 20 seconds

to allow static electricity on the CRT to dissipate.
Screen display is rotated Electromagnetic interference ex- Move any electrome(Display appears to be tilted ists. To test for electromag- chanical device, such
to the left or right).
netic interference, slowly swivel as an electric pencil
the monitor. If the degree of sharpener, away from
rotation changes significantly, monitor or move monthe rotation is caused by elec- itor.
tromagnetic interference.
Monitor is faulty. Slowly swivel Turn the monitor off.
the monitor. If the degree of Contact Field Service.
rotation does not change significantly, the monitor is faulty .
Screen display is distorted,
flickering ,or rolling.

Monitor is faulty.

Turn the monitor off.
Contact Field Service.

REPAIRS
If you unable to correct the problem with your monitor, refer to the Service
section in your host system owner's manual.

DIGITAL SERVICE
Digital provides a wide range of maintenance programs that cover small
systems and monitors. These include on-site, carry-in, and mail-in maintenance services. You can use these programs to select a plan that suits your
service needs.

On-Site Repair
Digital offers fast, low-cost, quality maintenance performed at your site by
Digital-trained Service Specialists. There are several on-site services available.

DECservice
DECservice provides preferred on-site service, with a guaranteed response
time when equipment is located within a specified distance of the service
facility. DECservice guarantees a continuous repair effort until service is
restored. You can choose the hours of coverage, up to 24 hours a day, 7
days a week.

Basic
Basic service provides on-site service during regular business hours, Monday through Friday.

Site Servicenter
If you have at least 50 terminals or small systems and can provide workspace
at your site, Digital will provide an on-site technician for a predetermined,
periodic time interval. This repair service is provided for a variety of models.

Per Call
This non contractual offering provides on-site repair based on time and materials. Per call service is available during regular business hours, Monday
through Friday.

DE Call
Similar to Per Call Service. However, you pay a fixed fee per call with an
annual retainer fee.

Off-Site Service
Digital also provides several options for off-site service.

Carry-In Servicenters
Digital Servicenters are located in major cities around the world. They offer
convenient, cost-effective repair service with a 48-hour turnaround time.
Both contract and per call coverage is offered.

DECmailer
This mail-in service is for module and subassembly repairs. DECmailer
provides five-day turnaround.

HOW TO GET SERVICE
Digital has a central service center in your area to help you keep your system
running at peak efficiency. To find out more about Digital's hardware and
software service offerings
In the United States

Call 1-800-554-3333
Worldwide
Contact your local Digital Field Service office.

SPECIFICATIONS
Dimensions
Height

39.4 cm (15.5 in)

Width

36.9 cm (14.5 in)

Depth

40.3 cm (15.9 in)

Weight

16.34 kg (36 lbs)

Shipping weight

Less than 19.43 kg (45 lbs)

Tilt range

-5° to +13°

Swivel range
Display
Cathode-ray tube (CRT)

383 mm (15 in) diagonal flat square

Paper white phosphor
High efficiency antiglare treatment, reflects less
than 1% of incident light within the visible spectrum.
Video input

75 ohms terminated BNC composite video

Video composite signal (with sync)

1.0 Vpp I 75 ohm

Display characteristics

1,024 pixels horizontal x 864 lines vertical giving
approximate picture size of 240 mm x 203 mm
Maximum contrast no less than 30 footlamberts
(fl)

Timing
Horizontal rate timing

Frequency

54.054 kHz

Front porch

160 ns

Sync pulse

1850 ns

Back porch

1680 ns

Blanking interval

3. 70 us (maximum)

Active video time

14.8 us

Horizontal period

18.5 us

Pixels displayed

1024

Vertical rate timing

Frequency

60 Hz

Front porch

0 Horizontal lines

Sync pulse

3 Horizontal lines

Blanking interval

37 Horizontal lines

Active video time

16.0 ms

Vertical period

16.67 ms

Lines displayed

864

Video rate (Bandwith)

Pixel frequency

70MHz

Pixel period

14.45 ns (nominal)

Power
AC input voltage

88-132/185-264 vac

Frequency

50/60 Hz

Power consumption

70 watts (nominal)

External controls and Indicator

Brightness
Contrast
Power switch
Power indicator

Operating temperature

10° C to 40 ° C (50° - 104° F)

Humidity

10% to 95% relative humidity (with maximum
wet bulb of 32° C and minimum dew point
of 2° C noncondensing)