For the installer to change the Master Code:
- Enter programmers mode by entering installers code (default 98765) # 0.
- Enter address 84 then press 01+1+new passcode (1 to 5 digits) followed by the # key.
- Press and hold star key to exit programming.
For the User of the system to change the Master Code:
- Enter user code programming mode by entering the master code (default 1234) # 0.
- Enter 01+1+new passcode (1 to 5 digits) followed by the # key.
If entered correctly, a long beep will sound at the end of the commpleted sequence.