User Manual
Troubleshooting
There is no display on the screen.
As of May 2015 it has been found that there are significant differences in the cable lengths/types and
even input ports which can be used on different brands of HDTV using HDMI 2.0 4K 60Hz. If you
experience problems, please use the following steps:
Try a different input port on your HDTV.
Reduce the cable length on the Input and Output to 1m.
Try a different type of 1m HDMI Cable.
Check that the DC plug and jack used by external power supply are firmly connected and that the
power LED is illuminated on both the Transmitter and Receiver.
Check that the Cat.5e/6/7 cable is plugged in correctly and that the Yellow Link Status LED on both
the CAT5e/6/7 In and Out ports are lit.
Power off all the devices, then power on in this order: first, the transmitter unit, then the display and
finally the source.
For several HDMI devices it may be helpful to unplug and replug their HDMI connection to re-initiate
the HDMI handshake and recognition.
Reduce the length of Cat.5e/6/7 or HDMI cable used, or use a higher quality cable.
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