No Output

The effect sound of this DJM applied to the channel selected by the effect channel switch at [SEND/RETURN] is not output to RETURN AUX channel. Why?

The following effect sounds of this DJM applied to the channel selected by the effect channel switch at [SEND/RETURN] are not outputted to the RETURN AUX channel due to specification.

SOUND COLOR FX

SPACE, DUB ECHO

BEAT FX

DELAY, ECHO, PING PONG, SPIRAL, REVERB, TRANS, FILTER, FLANGER, PHASER, PITCH

Please refer here.