Use the following procedure to initialize the F-20 Digital Piano and re-load the factory default settings:
1. Power on while holding down the KEY TOUCH button (keep holding down KEY TOUCH button for at least six seconds).
The OTHER button and the SPLIT button will blink.
2. To execute the Factory Reset, press the SPLIT button (if you wish to cancel the operation, press the OTHER button).
When all the LEDs on the buttons are lit, the operation is complete.
3. Turn the power off, then on again.