Here's how to perform a Factory Reset in the TD-27.
CAUTION: Performing a Factory Reset will permanently erase all user created data in the TD-27. (Factory data will be retained). Be sure to perform a backup to an SD Card to save any desired custom settings before proceeding with these steps.
- Turn on the TD-27's power.
- Press the SYSTEM button.
- Press the cursor buttons to highlight "FACTORY RESET," and then press the ENTER button.
- Press the function 5 (F5) button (FACTORY RESET).
- Cursor right to highlight "OK," and then press ENTER.