Use the following procedure to clear the TM-2's internal memory and reload its factory settings.
Caution: All User information is lost during a Factory Reset. Be sure to first back up anything you wish to keep before proceeding.
1. Hold SHIFT and press the INST/SETUP button.
2. Release the buttons, and then press the right cursor (>) button repeatedly until "FACTORY RESET" appears in the display.
3. Press the (+) button (ENTER) - "FACTORY RESET SURE?" appears.
4. Press (+) again.
5. Press the "2" button - "FACTORY RESET COMPLETE" appears briefly in the display.