CHIAYO SDR-1900 IrDA - Manual (Page 4)

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1. Turn on the receiver and transmitter and set both to the same frequency.
2. There are 2 audio output jacks, AF1 and AF2, in the receiver rear panel. AF1 is for channel 1
while AF2 for channel 2. The audio output of channel 2 can be mixed with channel 1 by
switching MIX SWITCH to ON, otherwise its output is independent. Besides, there is a
MIC/LINE selector for both AF1 and AF2. If handheld/headset/lavalier microphone is used,
please switch to MIC. If instrument cable is connected to beltpack transmitter, please switch
to LINE.
Mixer / Amplifier
Mixer / Amplifier
mixed audio output (MIX SWITCH to ON)
AF2 audio output (MIX SWITCH to OFF)
individual audio output