LG V490 Owner's Manual

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Vibrate on tap – Allows you to set the vibration feedback when the tablet
screen is touched.

Display

Theme – Sets the screen theme for your device.
Wallpaper – Sets the wallpaper to use on your Home screen.
Screen swipe effect – Sets the effect when you swipe to change screens.
Allow Home screen looping – Checkmark to set the Home screens to
scroll continuously, eliminating the need to scroll back in the opposite
direction when you reach one end.
Home backup & restore – Allows you to backup and restore app and
widget configurations and themes.
Help – Displays information about the Home screen.

Select screen lock – Set a screen lock type to secure your tablet.

NOTE: After upgrading to Lollipop OS, your screen lock may not be
available except for Pattern, PIN and Password.
In this case, go to

Apps

>

Settings

>

Security > Clear 

credentials to delete the security certificates, and then, set up a screen
lock.
Be careful when you clear credentials because all the security
certificates you have installed will be deleted.

Smart Lock – Sets to keep your tablet unlocked when you have a trusted
Bluetooth device connected to it, when it's in a familiar location like your
home or work, or when it recognizes your face.
Screen swipe effect – Sets the screen swipe effect options.