Installing and Using the VR320 Color Monitor Order Number EK-VR320-IN-001 digital equipment corporation maynard, massachusetts
First Edition, January 1990 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.
Contents About This Manual 1 v Unpacking Identify the boxes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unpack the monitor box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Place the monitor on a level surface. . . . . . . . . . . . . . . . . . . . . . . . . 2 Installation Make sure the power switch is in the out position (off). . . . . . . . . . . Connect the video cable to the monitor. . . . . . . . . . . . . . . . . . . . . . .
iv Contents 5 Service On-Site Repair . . . . . . . . DECservice . . . . . . . . BASIC Service . . . . . . Site Servicenter . . . . . Per Call . . . . . . . . . . . DECall . . . . . . . . . . . . Off-Site Service . . . . . . . Carry-In Servicenters . DECmailer . . . . . . . . . How To Get Service . . . . 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
About This Manual VR320 Color Video Monitor The VR320 is a color video monitor with a direct-view antiglare screen and an auto-ranging power supply for worldwide operation. Its built-in tilt-swivel stand lets you adjust the screen for your viewing comfort. When connected to a host system, the VR320 can display information sent by the host system. Before You Start This guide describes how to install, operate, and maintain your VR320 color monitor.
vi About This Manual Conventions This document uses the following conventions: Convention Meaning CAUTION Provides information to prevent damage to the equipment. NOTE Provides general information. WARNING Provides information that relates to personnel safety. ! Refers to a number in a black circle in an illustration.
1 Unpacking Identify the boxes. If any boxes or items inside the boxes are missing or damaged: • Contact your salesperson. • Contact your delivery agent. NOTE The monitor power cord comes with the host system. IMPORTANT: Save the opened boxes and the packing material in case you need to return the monitor for any reason.
1–2 Unpacking Unpack the monitor box. The contents in the monitor box consist of the VR320 color monitor and this manual. WARNING The monitor weighs approximately 29 kg (63 lbs). Because of the monitor weight, it will require two people to unpack the monitor box and place it on a level surface. VR320 Installing and Using the VR320 Monochrome Monitor MA-1258-89.
Unpacking 1–3 Place the monitor on a level surface. MA-1259-89.
2 Installation NOTES The monitor can operate at either 66 Hz or 72 Hz. The monitor is preset for the system as ordered before it is shipped. If you wish to change the monitor to another system, you need to check the refresh rate of the new system. If it is different from the initial system refresh rate, contact your local Customer Services office. If your host system needs a color video option with your monitor, make sure the option is installed.
2–2 Installation Make sure the power switch is in the out position (off). MA-1012-89.
Installation 2–3 Connect the video cable to the monitor. NOTE The video cable is shipped with your host system. 1. Attach each BNC connector to the back of the monitor as follows. Then turn the connector right until it locks in place. • • • 0! R. Green cable 0! G. Blue cable 0! B. Red cable 2. Connect the other ends of the cable to the host system. MA-1013-89.
2–4 Installation Connect the power cord. NOTE The power supply automatically selects the correct voltage. 1. Plug the power cord firmly into the power connector on the back of the monitor. 2. Connect the other end of the power cord to the host system. To Host System MA-1014-89.
3 Operation CAUTION To avoid damage to the monitor, allow a cold monitor to warm to room temperature before turning it on. Identify monitor controls and power indicator. Use Table 3–1 and the next illustration to identify the monitor controls and power indicator. Table 3–1 Monitor Controls and Power Indicator Item ! " # $ % & Control/Indicator Function Power switch/ indicator Turns the power on and off. When the power is on, the switch is lit up.
3–2 Operation 4 5 1 2 3 6 MA-1016-89.
Operation 3–3 Turn the system power on. Make sure your host system is on; then, push in the video monitor power switch. The power switch should light up. Wait about 20 seconds for a video display. NOTE If the video display is not visible within 20 seconds, or if the switch did not light up, refer to Chapter 4 of this manual. MA-1015-89.
3–4 Operation Adjust the contrast and brightness controls. 1. Set the contrast " and brightness # to the maximum level. 2. Decrease the brightness just until the background intensity disappears. 3. Adjust the contrast to your viewing preference. 2 3 MA-1017-89.
Operation 3–5 Adjust the tilt-swivel stand. CAUTION The monitor does not swivel in a complete circle. If you try to swivel the monitor in a complete circle, you could damage the base. You can swivel the monitor about its base and still maintain the tilt angle. Using two hands, gently press down on the top, or pull up on the bottom, of the front of the monitor. MA-1018-89.
3–6 Operation Adjust the centering controls. If necessary, adjust the horizontal centering controls for a centered display. $ and vertical centering % 4 5 MA-1262-89.
Operation 3–7 Press the degauss switch for clear color. The monitor may develop poor color after the swivel action. If you see other colors scattered on the screen, press the degauss switch . & NOTE If the color is still poor, wait 10 minutes before pressing the degauss switch again to allow the circuit to fully reactivate. 6 MA-1019-89.
4 Maintenance Clean the screen. Before cleaning the screen, turn the monitor power switch off and wait 20 seconds to let static electricity dissipate. Clean the screen with a good quality, nonabrasive, nonflammable glass cleaner. Identify and correct problems. Table 4–1 will help you determine if the problem is in the monitor or in a source external to the monitor.
4–2 Maintenance Table 4–1 Identifying and Correcting Problems Symptom Possible Cause Suggested Solution Power indicator does not light up when you turn the monitor power switch on. Power cord is not connected to the power source or the monitor. Turn the monitor power switch off. Reconnect the power cord to the power source and the monitor. Turn the monitor power switch on. There is no power at the wall outlet. Check the outlet by plugging in a lamp.
Maintenance 4–3 Table 4–1 (Cont.) Identifying and Correcting Problems Symptom Possible Cause Suggested Solution Raster can be seen using the brightness control, but no video or cursor can be seen using the contrast control. Signal cables are disconnected to the monitor or the host system. Refer to Chapter 2 of this manual and the host system documentation to reconnect the signal cables. Monitor or host system is faulty. Turn the monitor power switch off. Contact Customer Services.
4–4 Maintenance Table 4–1 (Cont.) Identifying and Correcting Problems Symptom Possible Cause Suggested Solution Red or blue color is missing. Red or blue signal cable is loose or is not connected to the monitor or host system. Refer to Chapter 2 of this manual and the host system documentation to reconnect the cables. Host system or cable for the missing color is faulty. Verify this problem by swapping the red and blue signal cables on the monitor.
5 Service Digital provides a wide range of maintenance programs that cover small systems and terminals. 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 which are described next.
5–2 Service DECall DECall provides similar service as the Per Call service; however, the difference is you pay a fixed fee per call with an annual retainer fee. Off-Site Service Digital also provides several options for off-site service which are described below. Carry-In Servicenters Digital Carry-In 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.
6 Specifications Dimensions Height 457 mm (18 in) Width 495 mm (19.5 in) Depth 452 mm (17.8 in) Weight 29 kg ( 63 lb) Tilt Range -5° forward to +15° backward Swivel Range ± 90° (left and right) Display Cathode ray tube (CRT) Display Area 483 mm (19 in) diagonal 1280 pixels horizontal x 1024 lines vertical. Approximate picture size = 342 mm (13.5 in) x 273 mm (10.75 in) with a 5:4 aspect ratio.
6–2 Specifications Video Input Red (with sync) 1 Vpp, 75 ohm, ac or dc coupled Green (with sync) 1 Vpp, 75 ohm, ac or dc coupled Blue (with sync) 1 Vpp, 75 ohm, ac or dc coupled Video Timing See Table 6–1.
Specifications 6–3 Table 6–1 Video Timing—1280 2 1024 Resolution Pixels: 1280 x 1024 1280 x 1024 @72 Hz @66 Hz Horizontal frequency 77.13 kHz 70.66 kHz Vertical frequency 72.56 Hz 66.47 Hz 130.81 MHz 119.84 MHz 7.64 ns 8.34 ns Refresh Rate: Pixel frequency Pixel period Horizontal Timing no. pixels µs µs Entire line 1696 12.97 14.15 Active visible line 1280 9.79 10.68 Blanking interval 416 3.18 3.47 Sync front porch 32 0.245 0.267 Sync pulse 160 1.22 1.
