Ademco 5120XM Codes
| Master Code | User 2 (only changed by downloading) |
| Secondary Codes | User 3 to 6 |
| Duress Code | User 8 |
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| You cannot pause more than 2 seconds while entering below commands or it won’t work | |
| Add Codes | Master Code + 8 + User (3 to 6) + New Code |
| Erase Codes | Master Code + 8 + User (3 to 6) wait 5 seconds |
| After above commands keypad should beep indicating successful, if not try again | |