LG K4 LTE, Руководство пользователя

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16
The Basics
Turning the screen on and off using the KnockON feature
The KnockON feature allows you to double-tap the screen to easily turn the
screen on or off.
Quickly double-tap the center of the dark screen to turn on the backlight
and display the Lock screen.
Quickly double-tap the Status Bar, an empty area on the Home screen,
or the Lock screen to turn the screen off.
NOTES
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The backlight will not turn on if the proximity sensor is covered.
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When the screen is off and you double-tap the upper portion of screen with Knock
Code activated, the Knock Code grid is displayed for you to enter your Knock Code.
Turning the screen on using the Knock Code feature
If your Lock screen unlock sequence is set to a Knock Code, tap your
Knock Code on the darkened screen to automatically turn on the backlight
and unlock the screen at the same time.
TIP When the screen is in timeout and a Knock Code is set, pressing the Power/Lock button
displays the Lock screen (e.g., to check the time). You can tap your Knock Code to
unlock the screen or press the Power/Lock button again (or double-tap the Status Bar)
to turn the backlight back off.
NOTES
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If you enter the incorrect Knock Code 6 times, you'll be prompted you to enter your
backup PIN to unlock your phone and the unlock sequence is automatically changed to
Swipe.
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Use a fingertip instead of a fingernail to tap your Knock Code on the screen.
Setting up the Knock Code feature
1. Tap the Home button > touch and hold the Recent apps button >
Lock screen settings .
2. Tap Select screen lock > Knock Code .
3. Tap the squares in a pattern (from 6 to 8 taps) to set your Knock Code,
tap DONE, enter it again, then tap CONFIRM .
NOTE You'll be prompted to enter a backup PIN in case you forget your Knock Code.