A-49: Factory Reset December 27, 2022 05:19 Updated Use this procedure to restore the A-88 to its default factory settings: Press FUNCTION. Press the key labelled "FACT RESET." Press the key labelled "ENTER." Related articles A-49: Connecting to a Computer Go:Piano: Factory Reset A-49: Operating Modes A-49: Setting the MIDI Channel A-49: USB Driver Setting