Screen on/off: Checkmark to allow the phone to turn the screen on and off by double-tapping the screen. Quickly double-tap center screen to turn it on. Double-tap the Status Bar, an empty area on the Home screen, or the Lock screen to turn the screen off. For the best results, do not move the phone while using the Screen on/off feature.
Silence incoming calls: Checkmark to enable you to simply turn the phone over to silence incoming calls.
Snooze or turn off alarm: Checkmark to enable you to simply turn the phone over to snooze or stop the alarm.
Pause video: Checkmark to enable you to simply turn the phone over to pause the currently playing video.
Help: Opens a help guide on how to use the Gestures features of your phone.
Motion sensor calibration: Allows you to improve the accuracy of the tilt and speed of the sensor.