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EK-VR299-IN

May 1989

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Document:	Installing and Using the VR299 Color Monitor
Order Number:	EK-VR299-IN
Revision:	000
Pages:	28
Original Filename:

OCR Text

Installing and Using the VR299
Color Monitor

Order No. EK-VR299-IN

Digital Equipment Corporation
Maynard, Massachusetts

2nd Edition,

The information in this document is subject to change without notice and should not be

censtruedas ccmm&tment by. D:gfia Equspraent Cefpsratien

Digital Eqmpmerfi Cer;mrauen assumes no resnonsibthty fcr any errors that may appear in

thss dccumsni

The software, sf any, descnbeci;n this éae:umentis fum;shed um:!er alicense and may be used
or copied onlyin accordance with the terms of such license. No responsibilityis assumed for

the use or reliability of software or eqmpment that is nct supplied by Digital Equipment
| Ce‘fperat;sn or. cts aff:hated cempames
e

FCC NOTICE: The aqmpment described in this 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 © 1989

The following are trademarks of Digital Equipment Corporation:
DEC

DIBOL

UNIBUS

DEC/CMS

EduSystem

VAX

IAS

VAXcluster

MASSBUS

VMS

DECsystem-10

PDP

DECSYSTEM-20

PDT

DECwriter

RSX

E020020

DEC/MMS

DECnet

Contents
Aboutthismanual . . .. ... ............. e

Unpacking . . . . . . .. . . .

Installation

. . ... ... ... ... .. . ... .. ...

Operation . . . ... ... ... e

... PR

Maintenance . . . . . . . . ... ... .12
Repairs.

. .. ............ e

e e ...

How to get service . . . . . . . . . . . . . . . . ...

Specifications . . . . .. ... 20
Tables
1

s. . . . .. ... ... .. ........
and Indicator
Monitor Control

ldentifying and Correcting Problems . . . . . ... ....... ...

ABOUT THIS MANUAL
This guide describes how to install, operate, and mamtam your VR299 monitor. Perform the steps in sequence.

ABOUT THE VR299

The VR299 is a color monitor with a 480 mm (19 in) screen. When connected to a host system, the VR299 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 operaté

your monitor. Refer to your hcst system manuals for the fellowmg informa-

tion.

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

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

Do you have your power cord?

WARNINGS, CAUTIONS, NOTES
The warnings, cautions, and notes in this installation manual have specific
- purposes.

WARNINGS contain important information that relate to E“‘*persenal safety.
CAUTIONS contain information to prevent damage to the equrpment
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 of weight of
the monitor is less than 37 kilograms (82 pounds). The weight of the monitor

is 32 kilograms (71 pounds).

‘

Save the shipping carton and the packing material in case you need to
return the monitor for service.

COLOR MONITOR

K (’*)VRZQQ—-DA only
:

INSTALLATION/OWNER’S
GUIDE

Check for missing or demaged 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 electremagnetismfiém 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 Specification section an the end of thismanual for information
you should consider when selecting a location for the monitor.
The VR299 is susceptible to ambient magnetic fields that can cause display
interference. You can correct this problem by moving the VR299 to a different position orremove the affective item. See “Problem Solving” for direction.

INSTALLATION
Place the monitor an a Ievel surface.,

CAUTION:

This procedure requires two pecple The monitor we:ghs 32

kilograms (71 pounds).

Connect the signal cables to the monitor.
NOTE: If your host system needs a color option to work with your monitor,
make sure the option is installed and your host system is turned on.

The video cable assembly (host system cable) is shipped with your host
system. Refer to your host system documentation for information.
1.

Face the rear of the monitor.

2. Swivel the monitor all the way to the left to access the signal cable
connectors.

3. Locate the signal cable connectors on the monitor.

4. Connect the signai‘éables to the monitor in the following order.
NOTE: Push each cable in and turn each connector clockwise until it
clicks and locks in place.

a. Connect the blue signal cable to the connector labeled B.

b. Connect the green signal cable to the connector labeled G.
c. Connect the red signal cable to the connector labeled R.

Screw the video cable assembly into the cable mounting
plate.
Turn the screw until it is tight. Make sure the video cable assembly is flat
against the cable mounting plate when you start and finish securing the
cable to the monitor.

CAUTION: Failure to secure the video cable assembly screw to the cable
mounting plate may strain the cable and may also cause radio emissions
in excess of FCC guidelines.

Connect the keyboard cable and mouse cable to the video
cable assembly.

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.

Degauss switch

Lets you clear the color picture distortion caused by external
magnetic interference.

Power on/off 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.

f’
“"‘

DEGASggTRASTBRIGHTNESS

SwiTCH

POWER

| INDICATOR

POWER

SWITCH|

CHECK THAT THE MAINS VOLTAGE SELECTOR IS IN THE
CORRECT 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
SWITCH

OPERATION
Set the monitor power switch to the on pos:tlon

Watch for the green power mdzcator to turn on. Wait about 30 seconds
o

for a video display.

NOTE: If the green power indicator does not turn en, or if a video diplay
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 maximum.

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

Adjust the contrast to your viewing preference

L /

X BLACK

SCREEN

CONTRAST
BRIGHTNESS

RASTER
PICTURE

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 the 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.

Press the degauss switch, if necessary.

The monitor may show signs of poor color purity‘after swivel action. Poor
color purity exists if you see other colors scattered in different places in

the screen display. Press the degauss switch to correct color distortions.
NOTE:

If you need to press the degauss switch again, wait 10 minutes to

allow the c:rcu:t to fully reactivate.

[OLg
DEGAUSS
SWITCH

MAINTENANCE
Cleaning the Screen

NOTE: Before cleaning the 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 VT1XX-KF).

Replacing the Fuse

Warning: For continued

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" Replacing the Fuse

Your monitoris equiped witha fuse which has the following value according
to the mains voltage.

Mains Voltage

Fuse Value

115 V.

3.2 ASB -250
V.

230 V.

1.6 A SB - 260 V.

Push off the power switch and wait 10 seconds; then unplug the power cord.

By screw driver turn 900 anticlockwise the fuse cap-Take out it-Replace
the fuse.

Identifying and Correcting Problems
Problems on the screen display can come from a number of sources: your
host system, power sources, nearby electromechamcal 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 co-

lumn. 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 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: Identifying and Correcting Problems
Symptom

Possible Cause