48using basic functionsSelect a wallpaper (Idle mode)1. In Idle mode, press [OK] → Settings → Displayand light settings → Display settings →Wallpaper → Pictures.2. Scroll left or right to a memory location(if necessary).3. Select an image category → an image.4. Press <Set>.Set menu shortcuts1. In Idle mode, press [OK] → Settings → Phonesettings → Shortcuts.2. Select a key to use as a shortcut.3. Select a menu to assign to the shortcut key.Lock your phone1. In Idle mode, press [OK] → Settings → Security→ Phone lock.2. Select On.3. Enter a new 4- to 8-digit password and press<Confirm>.4. Enter the new password again and press<Confirm>.Use basic call functionsLearn to make or answer calls and use basic callfunctions.Make a call1. In Idle mode, enter an area code and a phonenumber.

Samsung GT-S3830U User Manual