LG X240, User Manual

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Custom-designed Features 13
KnockON
You can turn the screen on or off by double-tapping the screen.
• This option is available only on the Home screen provided by LG. It may
not function properly on a custom launcher or on the Home screen
installed by the user.
• When tapping the screen, use your fingertip. Do not use a fingernail.
• To use the KnockON feature, make sure that the proximity/ambient
light sensor is not blocked by a sticker or any other foreign substance.
Turning on the screen
Double-tap the middle of the screen.
• Tapping the top or bottom of the screen may decrease the recognition
rate.
Turning off the screen
Double-tap the status bar, an empty area on the Home screen or the
Lock screen.