How to return the DS7140 keypad and all Alpha programming to factory default.

[#1]

Access System Programming mode by one of the below methods

1. Enter the keypad programming code at the keypad.
2. Hold the S1 switch down on the 7100 circuit board.
3. Short the program contacts on the DS7090 control board for two seconds.

While display reads "System Program" hold the A and 1 keys for 2 seconds. The display reads "Default EEPROM" while the keypad is defaulted.