Use the following procedure to reset the RD-300GX to the factory default settings:
- Press EDIT so it is lit (the Edit Menu screen will appear).
- Use the INC and DEC buttons to select "Utility" and press ENTER.
- Use the INC and DEC buttons to select "Fctry Reset All" and press ENTER.
- Press ENTER to confirm.
- When completed, power the RD-300GX off and back on.
Note: Never switch off the power while "Executing..." is displayed.