APPENDIX B : G2 ADJUSTMENT
continue with the G2 adjustment, oth- erwise press EXIT to return to the service menu.
If ENTER is pressed, the G2 menu will be displayed.
SAFETY |
NOTICE |
RISK OF ELECTRICAL SHOCK |
G2 ADJUSTMENT SHOULD |
BE PERFORMED BY BARCO |
PERSONNEL OR BARCO |
AUTHORIZED DEALERS |
IF QUALIFIED, PRESS |
<ENTER> TO CONTINUE, OR |
IF NOT, <EXIT> TO RETURN |
Open the top cover to reach the G2 controls and adjust these G2 controls for red, blue and green separately.
G2 ADJUSTMENT | |
Use the | potentiometers |
on the | |
toset the screen grid | |
voltage for Red, | |
Green and Blue. | |
Adjust | until the LED |
on the | corresponding |
output amplifier is turned off | |
<EXIT> to return. | |
APPENDIX B : G2 ADJUSTMENT
The controller automatically increases brightness and contrast until the raster behind the displayed text becomes visible.
To gain access to the G2 adjustments, open the projector frame. Follow the procedure as described in chapter 3 'Projector setup'.
A green LED for each color is mounted on the driver board, below the CRT's. When selecting the G2 adjustment menu, these green LEDs must be out. If not, follow the procedure to adjust the G2 :
-Loosen the retaining screws of the upper electronic chassis and pivot it to the lenses.
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