Yamaha MU90R Owner's Manual page 108

2 Use the VALUE q buttons or data dial to change the destina-
tion Performance number.
3 Press the ENTER button to actually execute the Store operation.
An "Executing..." message flashes in the display during the op-
eration. When the data has been stored, the MU90R returns to
the Performance Edit menu.
To cancel the operation without saving, press the EXIT button
(before pressing ENTER).
Performance number
Use these to change Performance number.
PERFORMANCE MODE
99