HP-600, HP-700, HP-800: Initializing the HP-600/700/800 - Restoring the Factory Settings December 03, 2021 01:52 Updated Follow The unit resets itself each time it is turned off and then back on. Related articles Digital Pianos: Why are the sounds of the top octave keys sustained even when a pedal is not pressed? DP-990RF Selecting Tones HP-1500 HP-1800: Using a Portable Sustain Pedal if the Attached Base is Removed HP-7: Selecting Split Tones