The audio for the position selected with the effect channel selector switch in the BEAT EFFECT section (pre-channel fader audio, microphone audio, post-crossfader A or B audio, or master audio) is output to the external device through the SEND terminal. After this, the sound processed on the external device returns to the selected position through the RETURN terminal. The meanings of the selector switch positions are described below. For details, see "Block Diagram" in the operating instructions.

1-4

Pre-faders for the respective channels (stage before channel faders)

MIC

Stage after MIC EQ and MIC volume

CF.A/CF.B

Post-crossfader A or B (stage after crossfader A or B)

Master audio

Stage before master volume