Service manual

White Balance
Press “▲” “▼ “and “ “ buttons simultaneously for 3 seconds to
set White Balance Mode.
Please set the screen on 1024x768 @ 60 Hz resolution 5 white block pattern
Power Lock
Press “ ▼ and “ “ buttons simultaneously for 10 seconds , and
the Power will be locked. Repeat the action , and the power will
be unlocked.
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ViewSonic Corporation
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Confidential – Do Not Copy
VG500b