Power on while holding in the CONTROL knob.
Press PARAMETER LEFT to select Factory Preset TYPE.
Use CONTROL knob to select either STANDARD or GUITAR.
Press PARAMETER RIGHT to select SYSTEM >#100.
Use CONTROL knob to select first Patch in initialization range.
Press PARAMETER RIGHT to select SYSTEM >#10.
Use CONTROL knob to select last Patch in initialization range.
Press WRITE.