Yamaha MU90R Owner's Manual page 119

Insertion 1 can be
Insertion 2 can be
applied to only one
applied to only one
Part at a time.
Part at a time.
insertion 1 part
insertion 2 part
INS1
INS2
part A1
insertion 1 on/off
insertion 2 on/off
INS1
INS2
part A2
insertion 1 on/off
insertion 2 on/off
INS1
INS2
part 1
insertion 1 on/off
insertion 2 on/off
INS1
INS2
part 32
insertion 1 on/off
insertion 2 on/off
VARIATION CONNECTION = SYSTEM
dry level
rev send
cho send
var send
dry level
rev send
cho send
var send
dry level
rev send
cho send
var send
dry level
rev send
cho send
var send
DRY LINE
Thick line indicates stereo signal.
reverb return
REVERB
send chorus to reverb
CHORUS chorus return
send variation to chorus
send variation to reverb
VARIATION
variation return
reverb pan
PAN
chorus pan
PAN
OUT
EQ
variation pan
PAN