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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.
Rear Panel of AT-HD88M-S
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]
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