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QVision Operations and Installation Guide
TROUBLESHOOTING
The following table suggests solutions for problems you may encounter when using the
monitor,
especially for the first time.
Problem
No picture
Unstable
Picture
Missing color
Display not full
or too small
Probable Cause
The power switch for the
computer or the monitor is
not turned on.
The cables are misconnected or
disconnected.
The brightness/contrast
adjustments are not set
correctly.
The signal cable is
misconnected
The compatible video mode
(VGA or above to 1024 x 780)
is not being used.
The BNC cables are
misconnected.
Improper adjustments for
horizontal or vertical size.
Solution
Turn the power
switches on.
Check 15-pin connector.
Check BNC connectors.
Check AC contact on
the power cable.
Check the brightness
and contrast
adjustments.
Check BNC connectors.
Check the documentation
included with the video
board.
Check BNC connectors.
Non-standard signals
may require special
adjustments. Contact
your Authorized
COMPAQ Reseller or
your Authorized
COMPAQ Service
Provider.
3-4
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