LG LG-K520TR, Руководство пользователя

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Basic Functions 46
KnockON
You can turn on or off the screen 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/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.