How do I reset the console to Factory Settings?
Note: The following procedure will reset everything back to factory settings, all previous configuration and saved data will be permanently erased and lost.
1. Power off the console and remove batteries.
2. Power on the console while holding the History button and wait until the "Factory Reset" message appears on the message panel.
3. The console will continue to boot up (all digits light up), you can now release the History button and all will be reset to factory defaults.
4. Replace the console batteries.