CableTronix CT-HDBASET-330 User Manual page 21

4: Why does the display connected to the Receiver show a snowy picture?

Check that all the cables are qualified and connected properly.

Check that Ethernet cables are Cat5e/Cat6 or better cables.

Check that the input sources have no problems, such as snow, mosaic
or a damaged disc. If so, replace them with the normal input sources.

Check that no compatibility issues exist between Receiver and display.
If so, attempt testing with a different model of display.