Factory Reset / Master Initialization (Data Dump)

1. Enter the Master menu.
2. Navigate to the SEND MIDI DATA screen.
3. Select 'Factory Presets' to send (backup) existing data.
4. To restore factory state if corrupted, receive the 'Factory Presets' dump via MIDI or reload data from an external sequencer.

Source: Proteus/1 — proteusownersmanual (manual)