Power the unit OFF.

Select one of the following two procedures:

To preserve files in storage memory:
Hold the white key on the right end of the keyboard (C7) and press the POWER switch to turn the unit on. The files saved in storage memory are NOT erased.

To ERASE files in storage memory:
Hold down the right-most white key (C7) AND black key (Bb6) and press the POWER switch to turn the unit on. Note the files saved in storage memory WILL BE ERASED with this procedure.