DR-3: Initializing - Restoring the Factory Settings
The following procedure can be used to clear the internal memory and reload the factory settings:
(CAUTION: All USER information will be lost. Be sure to back up any information you wish to keep.)
1. Press EDIT.
2. CURSOR right to select "SYSTEM," then press ENTER.
3. CURSOR right to select "FACTORY RESET."
4. Press ENTER twice.