In some circumstances it may be helpful to perform a factory default reset on the RA-1570. This can be done by powering on the RA-1570, then press the MENU key on the front panel, or SETUP button on the remote to access the setup menu. Use the MENU key or the UP/DOWN buttons on the remote to toggle through the menu options until the display shows “FACTORY DEFAULT”. Press the + key on the front panel or remote to select 'YES' and press ENTER to perform a factory reset.