Napco XP400 Codes
| Master Code | User 1 |
| Secondary Codes | User 2 to 3 |
| Duress Code | User 4 (if enabled) |
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| Add Code |
1. * + 8 + Master Code (ARMED, READY, flash) 2. Enter User (1 to 4) (User selected will flash) 4. Enter new 4-digit code (User selected turns on) 5. Press # to exit |
| Erase Code |
1. * + 8 + Master Code (ARMED, READY, flash) 2. Enter User (1 to 4) (User selected will flash) 3. Press (User selected turns on) 4. Press # to exit |