Restoring the factory settings on the DB-90 initializes all parameters and memory contents in the following four modes:
- Metronome mode
- Reference Tone mode
- Loop mode
- Coach mode
- Turn on the power while holding down the [MEMORY] switch.
Keep holding the [MEMORY] switch until "F" appears in the display. - Release the [MEMORY] switch.
The settings are reset to the factory defaults, and the normal screen returns.
The DB-90 returns to Metronome mode with MEMORY: 1 selected. - Turn off the power.