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User Manual

ManualsBrandsV AV Access ManualsComputers & AccessoriesHDMI HDBaseT Extender, 4K@60Hz 40m/130ft over Single Cat5e/6a, 1080P 70m/230ft, PoE IR RS232 HDCP2.2, HDR, Dobly Vision, 3D, Dolby Atmos & DTS:X, CEC, Uncompressed Transmission AV Access HDMI Extender
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Table Of Contents
Trouble Shooting
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3. Why all led indicators are normal but the display cannot output signal?
Since the extender 4KEX70-L supports 4K@60Hz 4:2:0 8bit, when both
HDMI source and display device support 4K@60Hz 4:4:4 8bit, the
display device cannot output signal even if all led indicators of the
transmitter and receiver are normal.
To fix this, please configure the HDMI source resolution to 4K@60Hz
4:2:0 8bit or 1080P.
Please ask help from TV supplier for TV configuration update. We have
received feedbacks from some customers that their Vizio TVs could
display well after they got updated on configuration from TV supplier.
4. How can I make the IR work with third party control devices?
Please make sure the third party device follows our pin definition as
below:
You can purchase a AV Access universal IR cable that will be compliant
with any third party device.(Amazon ASIN: "B01MYX46IC")
5. How to use the RS232 port in the extender?
The RS232 port provides a channel to pass through protocol commands to
control third party devices such as your source or display. RS232 uses the
three pins that are labeled transmitter, receiver and GND. Connect a host
computer or control system to the RS232 connector. Please refer to the
following pin definition of RS232 during your installation.