ViewSonic VA2016W - 20" LCD Monitor Service Manual page 45

3. Factory Mode Introduction
When signal is input, press "power key" to turn off the monitor. Press "-" and "Power"
together to turn on the monitor. After power on, press "Power" to call out Main Menu, then press
"-"for select the "F" item, then press "power/menu", you can go into Factory mode.
EXIT:
PANEL:
AUTO COLOR:
GAIN:
OFFSET:
SPAN and STEP:
BRI:
CON:
9300K:
6500K:
USER:
RS232:
BANK, ADDR, VALUE, HTOTAL:F/W adjust the scaler register and htotal to panel for better
performance.
TIME:
4. Burn-in pattern
Enter the factory mode, Plug out VGA, Burn-in pattern will self generate automatically. You
can not escape from Burn-in pattern until plug in VGA Cable or press the Menu/Power key,.
5. Auto Color Balance (Automatically calibrate chip ADC parameter by using chip
internal DAC.)
If it is a new-built set and it is first time to do the "auto color", please confirm the following
steps:
-Connect the VGA cable with the standard video pattern generator and display 32-gray
pattern on the monitor.
- Press "Power" to power off the monitor.
- Enter the Factory Mode.
- Then press the "Menu/POWER" to execute Auto Color item.
- After the "Auto Color" process finished, please press "Power" to restart monitor.
ViewSonic Corporation
Escape from Factory menu.
Display panel information.
Automatically calibrate chip ADC parameter by using chip internal DAC.
ADC gain value
ADC offset value
Spread spectrum value.
Brightness value
Contrast value
Set color temperature 9300K
Set color temperature 6500K
Set user preferred color temperature
F/W RS232 debug on or off
The time of backlight used.
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Confidential - Do Not Copy
VA2016w-2