Yamaha MU80 Owner's Manual page 53

Chorus Return (ChoRtn)
Graphically indicates current Chorus Return setting.
This determines the amount of Chorus return in the overall mix.
Variation Return (VarRtn)
Graphically indicates current Variation Return setting.
This determines the amount of Variation return in the overall mix.
Variation Return is only available when the Variation Connection
parameter is set to SYS. (See page 91.)
Transpose
Graphically indicates current Transpose setting.
This determines the overall Transpose setting of the Parts.
MULTI MODE
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