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 *93
SELECTIONS
0 = no flexible callback
1 = last digit flexible
2 = last 2 digits flexible
3 = last 3 digits flexible
4) Press *99 After the screen updates to the next field to exit programming
Note: GeoArm can change the installer code upon activation
Follow Install manual for more information: