Avenview VGA-C5-SP-4 - Manual (Page 7)

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1.9 General Troubleshooting
Problem
Possible Solution
No Image

Check if connection to the source and the display are correct.

Ensure that display device supports the resolution that is being
output.
Screen Defects Appear

This product supports up to WUXGA (1920x1200) resolution.

Check the VGA and CAT5 connection

If outputting from a PC. Check the maximum resolution range
of the graphics card.