The sound for the position selected with the SEND/RETURN channel selector switch (the pre-channel fader sound, master sound or microphone sound) is output to an external device through the SEND terminal. After this, the sound processed on the external device is returned to the selected position through the RETURN terminal. The positions of the selector switch are described below. For details, see the block diagram in the operating instructions.

1 to 4

Prefaders of the respective channels (the stage before the channel fader)

Master audio

Stage before the master volume circuit

MIC1/2

Stage after the respective microphone’s EQ and volume circuits