Auto lock
After a time duration, the screen dims and is locked automatically.To set the time duration, go to 
> [Display settings] > [Screen off timer].
To lock the screen manually
Press 
/ 
.
To unlock the screen
Press | / . |
Select the wallpaper
To select wallpaper for the Home screen, From the Home screen, go to 
> [Display
settings] > [Wallpaper]. Select a theme.
To set the custom wallpaper,
Go to 
. Play a picture and set the wallpaper (see 'Set a picture as wallpaper' on page 20).
To switch from a theme to the last custom wallpaper,
In 
> [Display settings] > [Wallpaper], select [Custom].
EN 13