LG G Pad IV 8.0 FHD Mode D'emploi page 9

KnockON
The KnockON feature allows you to double-tap the screen to easily turn
it on or off.
Turning the Screen On
While the screen is off, quickly double-tap the centre of the screen to turn
on the backlight and display the Lock screen.
Turning the Screen Off
Quickly double-tap the Status bar, an empty area on the Home screen, or
the Lock screen to turn the screen off.
Tap on the centre area of the screen. If you tap on the bottom or the top
area, the recognition rate may decrease.
Custom-designed Features 8