AV Access HDEX40-L Troubleshooting

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1. What can I do if there is no video output?
Check the EQ switch on the receiver. Toggle it to "30M" position when your Cat cable is less than 30m/100ft long; toggle
it to "50M" position when your Cat cable is between 30m/100ft and 50m/164ft long. Power on the extender once again if
you have toggled the switch. If there is still no video output, try using a shorter Cat cable to check if it help.
Make sure the source device and the display device are powered on. And make sure the source device is outpu ing
video signal while the correct HDMI input channel is selected on the display device.
Connect the source device to the display device directly via an HDMI cable, then set the source resolution to 1080P or
720P. After you set the default resolution, please re-connect the source device and the display device to the HDMI
extender.
Make sure all of your HDMI cables work normally. You can connect the source to the display device directly via one of
these HDMI cables, to check if video can be shown normally on the display.
2. The HDMI extender can only work with a short Cat cable, but cannot work with
a long Cat cable. What should I do?
It is recommended to use a Cat5E/6/6A/7 cable, instead of Cat5 or flat cable.
Please make sure the total length of your cable is less than 50m/164ft, and your cable matches the quality of the corre-
sponding category.
Please make sure the connectors at both ends of the cable meet the IEEE T568B standard.
Use a new cable, or try crimping your Cat cable connectors according to the IEEE T568B standard.
If you need to use patch cables at both ends, the length should be as short as possible, no more than 5m/16ft. Please
ensure all connectors meet the same standard (IEEE T568B). Also, please note that the total length of the patch cables
and the Cat cable should not be over 50m/164ft.
3. What can I do if there is no audio output from the HDMI port?
Please set your source audio's format to "PCM" to check.
4. What can I do if IR connection is not working?
Check if your IR connection method is correct. The IR receiver cable needs to be connected to the "IR In" port at one end,
and the IR emi er cable needs to be connected to the "IR Out" port at the other end. Please note that the 3.5mm cable
connectors need to be fully inserted into the IR ports.
Check if you use the remote controller correctly and if you place the IR emi er head correctly. When you use the remote
controller, it needs to be directly facing the IR receiver head. Besides, the IR emi er head should be placed closely to the
IR receiving window of the controlled device.
Try controlling the source device directly via your remote controller, without using the HDMI extender. Then check if the
IR connection works.
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Troubleshooting
HDEX40-L
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