System holds up to 9 User Codes

Master Code Code 01
Duress Code Code 50 (I think)

Add Code (WARNING, do NOT do this on a ZX200-210!)
1. Press 9 + Master Code (Keypad Lights should Flash)
2. Press 5
3. Enter User location to change (02 to 50) + ENTER
4. Enter new 4-digit User Code (Deypad should beep twice)
5. Press CLEAR to exit

Delete Code 1. Press 9 + Master Code (Keypad Lights should Flash)
2. Press 5
3. Enter User location to change (02 to 50) + ENTER
4. Enter 0 0 0 0 (Deypad should beep twice)
5. Press CLEAR to exit