Rear Panel of AT-HD88M-S

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Mode L: System Lock and Unlock

Lock: push SELECT button until the PRESET PROFILES shows “L” and keep pressing the SELECT button for 3 seconds, then all functions of the whole system (including the receivers, IR remote, and the commands through RS-232 or USB) will be locked automatically.

Unlock: when the LED display of PRESET PROFILES shows “L”, keep pressing the SELECT button for 3 seconds until the PRESET PROFILES shows “1” to unlock all system functions.

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10.AC Power: 100-250V 50-60Hz

11.RS-232: RS-232 control port

12.USB: USB control port

13.SW Main: 4-pin DIP switch (see DIP Switch section in p.8)

14.SW 1 – SW 8: 2-pin DIP switch (see DIP Switch section in p.8)

15.INPUT 1 – INPUT 8: HDMI inputs that connect to HDMI source devices

16.IR PASS-THROUGH 1 – 8: 3.5mm IR blaster socket for individual HDMI source control

17.OUPUT PORT 1 – 8: dual RJ-45 outputs for each output channel that connect to each matrix receiver

18.IR Main: 3.5mm IR blaster socket for HDMI source control on all 8 inputs [default socket for IR blaster]