1) Enter Installer Code on the panel while disarmed (Default 4112) + 800
2) You Will now see 20 INSTALLER CODE if that was the correct installer code.
3) Press *42
Enter the Primary Phone Number up to 24 digits
If fewer than 24 digits entered, exit by pressing [*]. To clear entries from field, press
*42*. See backup reporting note for field *41
4) Press *99 After the screen updates to the next field to exit programming
Note: GeoArm can change the installer code upon activation