M-760: Initializing - Restoring the Factory Settings
The following procedure will 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. While holding down the EDIT button, press WRITE.
2. Use the PARAMETER buttons to select "ALL."
3. Press WRITE to begin the initialization.
4. When you're finished, press EDIT to exit the Initialize menu.
Note: Never turn off the power during a Factory Reset. This may result in corrupted internal data and may prevent the power from being turned on again.