Ademco 4120XM Codes

Master Code User 02 (Master only changed in programming in Location*01)
Secondary Codes User 03 to 70
Babysitter Code User 22 (Only disarms if system was armed with Babysitter Code
Duress Code One digit higher than User Code (If Code is 1234 Duress Code is 1235)

Add Code Master Code + 8 + User (03 to 70) + New Code (Keypad should beep)
Erase Code Master Code + 8 + User (03 to 70) + Master Code again (Keypad should beep)
You cannot pause more than 2 seconds while entering below commands or it won’t work
After above commands keypad should beep indicating it was successful, if not try again