LG LGAS876 - Manual (Page 51)

51 The Basics
Unlocking your screen using the Knock Code feature
The Knock Code feature allows you to create your own unlock code using a
combination of knocks (or taps) on the screen.
1. While the screen is off, tap the same sequence you established anywhere
on the screen. The Home screen will be accessed directly.
NOTE KnockON is deactivated when Knock Code is in use.
Lock timer
If a security lock is enabled, you can set the delay time after the screen
darkens due to inactivity before the screen automatically locks and requires
you to enter your unlock sequence.
1. From the Home screen, tap the Menu Key > Lock screen settings.
2. Tap Lock timer, then tap the setting you want to use.
Power button instantly locks
If a security lock is enabled, checkmark the Power button instantly locks
checkbox to override the Security lock timer setting and lock the screen as
soon as you press the Power/Lock Key
.
1. From the Home screen, tap the Menu Key > Lock screen settings.
2. Checkmark the Power button instantly locks checkbox.
The Lock screen wallpaper
You can set the Lock screen wallpaper separately from your Home screen
wallpaper.
1. From the Home screen, tap the Menu Key > Lock screen settings.
2. Tap Wallpaper.
 Tap Gallery to select an image from your Gallery.
 Tap Wallpaper gallery to select one of the available wallpaper images.