ViewSonic VG712s Service Manual page 23

Hot Keys for Function Controls
[Up] + [Down] arrows
[Volume-] + [Volume+]
[1] + [Down] (hold for 10 seconds)
[1] + [Up] (hold for 10 seconds)
[Up] + [Down] + [Power On]
(Hold for 3 seconds. Release "Power" button first
and then "Up" & "Down" buttons.)
[Up] + [Down] + [Power On]
(Hold for 3 seconds. Release "Power" button first
and then "Up" & "Down" buttons.)
Remark: All the shortcut functions are only available while OSD is off.
ViewSonic Corporation
Buttons:
[1] + [2]
[1] + [Up] + [Down]
with signal
Without signal
Functions:
Recall Contrast or Brightness while in the Contrast
or Brightness adjustment, or recall both of Contrast
and Brightness when the OSD is not on.
Recall volume to 50% while in volume adjustment,
or when OSD is not on.
Toggle 720x400 and 640x400 mode when input
720x400 or 640x400 mode.
White Balance. White Balance should set the screen
on the pure black and white pattern with
640*480@60Hz resolution.
Power Lock (Unlock). User won't be able to turn off
the monitor.
OSD Lock (Unlock). It will lock all functions,
including "Volume" and "Mute".
All Mode Reset. It will erase all end users' settings
and restore the factory defaults.
Burn in Mode. After entering Burn in Mode, press
[1] button, you can find the information about this
monitor.
Confidential - Do Not Copy
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VG712s/b