Slide the lock switch on the side of thedevice to lock the keys and touchscreen to prevent any unwanted dialing, or toopen the keyguard. When the touchscreen and keys are locked, the touchscreen isswitched off and the keys are inactive.
The screen and keys may be lockedautomatically after a period of inactivity. To change settings for automaticscreen and key locking:
- Select Menu > Settings.
- Select Phone > Phonemgmt. > Auto. keyguard.
- Set for Keypad autolock period either None or Userdefined, where you can adjust the amount of minutes and seconds after whichthe keyguard is automatically set on.
- When you have set the time, select OK.
Your device also has a proximity sensor, whichdisables the touchscreen automatically when you place the device next to yourear. This helps to prevent accidental selections.