ViewSonic VX912 Service Manual page 35

C Other information
When to show "No signal" or "out of Range":
If not have any signal, it will show "No signal" information in center of the Screen
If the V-Sync more than 85Hz or its solution more than SXGA it will show
"Out of Range" information in Center of the Screen
How to enter factory mode and Burning Mode:
If you Press [2] then Power on it will enter Factory Mode
Then it will add one Menu page named Factory Menu
Press "[2] "Button Enter Factory Menu item
Then Press"[2]" Button Enter Burn Mode
If Change new main board,
1. Enter Factory mode.
2. PC or chrom send 32 Gray scaler to monitor.
3. Press auto color
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b) Brightness Dialog
Press "[▲]" or "[▼]" Button to enter the Brightness Dialog.
Press "[1]" Button to exit the Brightness Dialog.
Press "[2]" Button to enter the Contrast Dialog.
Press "[▲]"Button to make brightness high.
Press "[▼]"Button to make brightness low.
c) Auto Image Adjust Dialog
Press "[2]" Button to do the auto image adjust function.
d) Analog/DIGITAL Dialog
Press "[2] "Button to switch Analog mode
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VX912