Press the “Menu” button.
Enter PIN #. The PIN number is based on the serial number, as follows: re-arrange the serial number by alternating between the first digit, last digit, second digit, next to last digit, etc….for example: serial # 1 2 3 4 5 6 = PIN # 1 6 2 5 3 4.
Press the “Menu” button twice. Display will show 4 options, one of which is “2 ERASE.”
Press the number “2” button to select the ERASE function.
Display will show “ERASE DATA? (Y?N)?”.
Press and hold “YES” key until two beeps occur.
“ERASE COMPLETE” will display.
Press “Previous” button to return to the main display.