Samsung Focus i917R - Manual (Page 74)

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lock & wallpaper
From this menu you can change the wallpaper, set a time-out
screen that locks the phone after a specific amount of time, and
set up the phone to require a 4-digit password to unlock the
phone.
1. From the Home screen, tap  Settings 
System  lock & wallpaper.
2. Tap change wallpaper, then choose a picture from Camera
Roll or Wallpapers.
3. Tap the Screen time-out field and select a screen time-out
time. Selections are: 30 seconds, 1 minute, 3 minutes, or 5
minutes.
4. Touch and drag the Password slider to the right to turn the
password requirement mode On.
5. Tap the New password field and enter a 4-digit password.
6. Tap the Confirm password field and re enter the 4-digit
password and tap done.
location
The Location settings allow you to activate location services so
applications such as Maps can access your location information.
1. From the Home screen, tap  Settings 
System  location.
2. Touch and drag the Location services slider to the right to
turn the location mode On.
cellular
Enabling this feature allows you to turn data connection on or off,
choose whether to use data features when you are roaming, set
whether network selection is automatic or manual, and enter APN
(Access Point Name) settings.
Important!: Roaming charges may apply when using data features. Contact
your Service provider for details.
1. From the Home screen, tap  Settings 
System  cellular.
2. Touch and drag the Data connection slider to the right to
turn the data connection mode On.
Note: Activating the Data network automatically turns off airplane mode.
3. Tap the Data roaming options field and select roam, or don’t
roam.