User`s guide

ManualsBrandsVarTech Systems ManualsComputer equipmentVT20A-R

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20” Slow Scan User Guide 150-082

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Pin Function Pin Function

1 Red Video In 8 Blue Return

2 Green Video In 9 +5V

3 Blue Video In 10 Ground

4 GND 11 Ground

5 Self Test 12 SDA

15 Pin D CONNECTOR:

This is an industry standard connector providing easy connection

to VGA type video sources.

6 Red Return 13 Horizontal sync

7 Green Return 14 Vertical sync

15 SCL

CONNECTORS

CONNECTORS

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Section

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15

HD15 Connector

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9

CGA/EGA TTL INPUT

Standard for VT20A-CH

and VT20A-RH

9 Pin D CONNECTOR:

Pin CGA Function EGA Function

1 Ground Ground

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NC Red Intensity

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Red Red

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Green Green

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Blue Blue

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Intensity Green Intensity

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NC Blue Intensity

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Horizontal Sync Horizontal Sync

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Vertical Sync Vertical Sync