LG LGK500DS.AKAZBK, Руководство пользователя

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Basic Functions 43
• Lock timer : Set the amount of idle time after which the device
automatically locks.
• Power key instantly locks : Instantly lock the screen when the
Power/Lock key is pressed.
• Available setting items may vary, depending on the selected screen lock
method.
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 on an empty space on the Home screen or Lock screen.
Alternatively, double-tap an empty space on the status bar.