RC-50: Initializing - Restoring the Factory Settings
The following procedure can be used to clear the internal memory and reload the factory settings:
(CAUTION: All user data/recordings will be lost. Be sure to back up any data you wish to keep.)
1. While holding the PLAY MODE and LOOP SYNC buttons, turn on the power.
2. Press PARAMETER < or > to move the cursor, and then turn the PATCH/VALUE dial to choose the range of settings you'd like to restore. Choosing "SYSTEM > PATCH" restores all of the settings in the RC-50
3. Press WRITE.