You can perform a Factory Reset to re-load all of the factory default settings.
Note: This procedure will overwrite all user settings and re-load the factory data, so back up any user settings you wish to keep before proceeding.
1. Power on the FR-1x while holding down the treble registers  and . "FCt" appears in the display, then changes to "don" when the process is completed.
2. Switch off the FR-1x, then switch it back on again.