Muxlab HDMI 4x8 Matrix Switch, HDBT - Manual (Page 41)

© MuxLab Inc. HDMI 4x8 Matrix Switch, HDBT, PoE Installation Guide
Page 41
4.
Troubleshooting
Table 6 lists common problems that affect image quality, as well as their possible causes and
solutions. If the information below does not solve the problem, the technical support contact
information can be found at the end of this section.
PROBLEM POSSIBLE SOLUTIONS
No Image Check the matrix connection status
No Image Verify that the cables are properly connected
No Image Verify that the source devices are powered up.
No Image Verify that the source resolution is 1080p or less.
No Image Verify that the display supports HDCP.
White Dots in image
Flickering Image
Choppy Sound
If using an extender, verify that the distance is less than 230 feet
(70 meters) for UTP/STP.
Wrong Image Appears Check matrix connection
Not All Display
Devices Work
Check that the display supports the source resolution.
Table 6: Troubleshooting
When contacting your nearest MuxLab dealer or MuxLab Technical Support at 877-689-5228
(toll free in North America) or (+1) 514-905-0588 (International), please have the following
information ready:

Unit model number.

Cabling layout. Please include the model of the HDMI source and receiver, cable length
and type.

Description of problem.

List of tests performed.