Avlink HRM-602P - Manual (Page 15)

H H H R R R M M M - - - 6 6 6 0 0 0 2 2 2 P P P
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 IR: Infrared receiver for the HRM-602P Switcher. The longest distance of your IR
remote controller to receive the signals is about 12 meters.
Figure 5-8 IR Receiving Distance
5.2 IR Remote Controller
Figure 5-9 IR Remote Controller
Main Channel Port selection:
Press the Number#1~6 button to select the channel to the Main channel.
Example: Press the “5” button on the Remote controller specified the input signal of the
Main channel comes from the channel#5.