Troubleshooting – Muxlab VGA 1x4 Hub User Manual

Page 12

Advertising
background image

© MuxLab Inc. VGA 1x4 Distribution Hub Installation Guide

Page 12

4.

Troubleshooting

The following table describes some of the problem symptoms, the
probable causes and possible solutions. If the information below
does not solve the problem, the technical support contact
information can be found at the end of this section.

Picture

Power LED

Probable Cause

Possible Solution

No Image

OFF

No power

Check power
connections

No Image

ON

Wiring

Check continuity
Check correct wiring

Smearing

ON

Exceed cable length

Reduce cable length
Adjust contrast and
brightness

Ghosting

ON

Impedance mismatch

Check cabling
Try different VGA card
or display

Wrong colors

ON

Swapped pairs

Check wiring

Loss of detail

ON

Exceed cable length

Reduce cable length
Adjust contrast and
brightness

Image shakes

ON

Too much gain

Adjust Gain and
Equalization on Active
VGA Balun Receiver.

Advertising