VarTech Systems VT20A User Manual Download Page 1 | Manualshive

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VarTech Systems VT20A User Manual Download Page 1

20” Slow Scan User Guide 150-082

VT20A

20” Auto Sync Color Monitor 15 to 50kHz

For Models:

VT20A-C · VT20A-CH

·

VT20A-CY

VT20A-R

·

VT20A-RH

·

VT20A-M

User’s Guide

Read these instructions completely before attempting to operate your new Color Display.

VarTech Systems Inc.

Solutions for Demanding Applications

Industrial CRT and Flat Panel Displays

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Summary of Contents for VT20A

Page 1: ...15 to 50kHz For Models VT20A C VT20A CH VT20A CY VT20A R VT20A RH VT20A M User s Guide Read these instructions completely before attempting to operate your new Color Display VarTechSystemsInc Solutions for Demanding Applications Industrial CRT and Flat Panel Displays ...

Page 2: ...Connections 4 5 Video Connectors 4 Timing 5 3 0 Controls 6 7 User Controls 6 Screen Control Definitions 7 4 0 Power Management 8 5 0 Troubleshooting 9 6 0 Mechanical Drawings 10 17 VT20A C Mechanical 11 12 VT20A CH Mechanical 13 VT20A CY Mechanical VT20A R Mechanical 14 VT20A RH Mechanical 15 VT20A M Mechanical 16 17 7 0 Specifications 18 ...

Page 3: ...moisture or direct sunlight 2 Use in well ventilated area and do not cover ventilation openings 3 Unauthorized modifications of this equipment or substitution or attachment of not shielded connecting cable may cause excessive interference 4 When the monitor is not in use for a long time turn off power switch WARNINGS and FCC Statement WARNINGS and FCC Statement 1 Section CAUTION To reduce the risk...

Page 4: ...nsert the plug into the outlet contact your electrician to replace your obsolete outlet Do not defeat the purpose of grounding type plug 10 Do not allow anything to rest on the power cord Do not locate this product where persons will walk on the cord 11 If an extension cord is used with this product make sure that the total of the ampere ratings on the products plugged into the extension cord do n...

Page 5: ...the user is encouraged to try to correct the interference by one or more of the following measure Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Shielded interconnected c...

Page 6: ...connection to VGA type video sources 6 Red Return 13 Horizontal sync 7 Green Return 14 Vertical sync 15 SCL CONNECTORS CONNECTORS 2 Section 1 15 HD15 Connector 1 9 CGA EGA TTL INPUT Standard for VT20A CH and VT20A RH 9 Pin D CONNECTOR Pin CGA Function EGA Function 1 Ground Ground 2 NC Red Intensity 3 Red Red 4 Green Green 5 Blue Blue 6 Intensity Green Intensity 7 NC Blue Intensity 8 Horizontal Syn...

Page 7: ... 0 594 Border ms 0 0 0 SYNC Polarity H V Timings Timings VGA1 640 X 350 VGA2 720 X 400 VGA3 640 X 480 MAC35k Mode 1 2 3 4 Hor Freq kHz 31 468 31 468 31 468 34 975 Vert Freq Hz 70 09 70 09 59 94 66 62 Dot Clock MHz 25 175 28 322 25 175 31 3344 Hor Total Time 31 778 31 778 31 778 28 59 Hor Active Time us 26 058 26 058 26 058 20 421 Front Porch us 0 318 0 318 0 318 2 553 SYNC Pulse Width us 3 81 3 81...

Page 8: ...nel with Key Function USER CONTROLS Power control Push the switch Power indicator The power LED is green when the display is in normal operation Degauss switch This monitor is equipped with automatic and manual OSD degaussing Automatic degaussing is operativewhen the monitor is cold after being off for approximately 20 minutes Therefore if the monitor is repositioned while it is warm and discolora...

Page 9: ...osition To adjust the horizontal position of the OSD control OSD V position To adjust the vertical position of the OSD control OSD timer To adjust the time duration of the OSD control until it is turned off Top corner To adjust the symmetry of the top two display corners Bottom corner To adjust the symmetry of the bottom tow display corners V focus To adjust the vertical focus of the display image...

Page 10: ...e No pulse Blanked 15 Watts Power Consumption The following is a description of these power states and the power consumed state REINITIALIZING POWER To reactivate a display that had gone inactive under its Power Management function do one of the following 1 If the display has powered off under its Power Management function due to the system unit being switched off you must power up the system unit...

Page 11: ...n turned down to minimum levels Picture is small or distorted and Control Buttons will not correct 1 Check that the video signal being input from the Video Card falls within the frequency range of the Display 2 Check that Video Signal Cable from the Display has been securely and correctly connected to the 15 pin Video Connector on the rear panel of the Computer 3 If you have used an adapter to con...

Page 12: ...0A CH 20 Honeywell Configured Chassis Mount Mechanical Drawing 13 VT20A CY 20 Yokogawa Configured Chassis Mount Mechanical Drawing VT20A R 20 Rack Mount Mechanical Drawing 14 VT20A RH 20 Honeywell Configured Rack Mount Mechanical Drawing 15 VT20A M 20 Tabletop Drawing 16 17 MOUNTING INSTRUCTIONS MOUNTING INSTRUCTIONS 7 Section 10 ...

Page 13: ...C 120V 60Hz 1 0A at 220V 50Hz Power Consumption 130 Watts 30 Watts Standby 15 Watts suspend Mode Horizontal Frequency 15kHz to 50kHz Vertical Frequency 45Hz to100Hz Bandwidth 90MHz Video Input Connector HD15 F and 5BNC DB9 VT20A CH and VT20A RH Video Input Signal Analog 0 7 Vp p Sync Separate Horizontal and Vertical TTL Syncs Or Composite TTL Syncs Or Sync on Green 0 3V p p Temperature Operating 0...

Page 14: ...2 VARTECH SYSTEMS INC HEADQUARTERS 11529 Sun Belt Ct Baton Rouge Louisiana 70809 Toll Free 800 223 8050 International Phone 001 225 298 0300 Fax 225 297 2440 E mail sales vartechsystems com www vartechsystems com 150 082 004 4 27 04 ...

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