2GIG GC2: How to Calibrate the Screen
This detailed explanation will guide you through the process of resetting the display should your device's display buttons are not responding properly. The 2GIG ...
If you find the touch-screen display buttons are not responding properly, use the display calibration option to reset the display. To calibrate the display, use the following steps: Go to Security, Menu, and then Toolbox. The panel will then ask you to enter your current Master Code. Once you are in the user toolbox, select "Calibrate touch-screen" and follow the directions.