Miscellaneous Audio/0295 - <AMP Group>  dbx 4BX dynamic range controller

702 Bypass        492 Expansion Up  495 Impact Rest-  622 Transition -
238 Expansion Do  237 Impact Rest+  364 Transition +


MISCELLANEOUS AUDIO.

447 MUTE............On / Mute
444 POWER...........Off
367 VOLUME DOWN.....Volume Down
621 VOLUME UP.......Volume Up