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You can use the unit’s remote through the IR RX of the HDMI receiver to change the input
channel for the UTP out of the switcher, just by changing this UTP output.
This function can be set on or off: press the output1 button and the output8 button at the same
time for about 3 seconds. The LEDs will display ‘IR ON’ or ‘IR OFF’.
1. UTP receiver
2. IR RX
The sequence of “TX IR1, TX IR2, TX IR3, TX IR4, TX IR5, TX IR6, TX IR7, TX IR8” one-to-
one corresponds with “HDMI INPUT1, HDMI INPUT2, HDMI INPUT3, HDMI INPUT4, HDMI
INPUT5, HDMI INPUT6, HDMI INPUT7, HDMI INPUT8”. When an output chooses a certain
input, the call-back IR signal of RJ45 on this output will choose the corresponding “TX IR”
port to send the signal out.
For example, OUTPUT1 chooses INPUT3, then the call-back IR signal of RJ45 on OUT-
PUT1 will choose “TX IR3” to send the signal out.
1. UTP receiver
2. IR RX
3. IR TX
IR Call-back from Remote Locations to Control the AT-PROHD88M-SR
INSTRUCTION of TX IR
