Flexible Callback

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: 
https://turbifycdn.com/ty/cdn/yhst-51756635596032/l3000-honeywell-lynx-plus-wireless-control-panel-installation-and-setup-guide.pdf