Sharp GT-I9000 user manual Location and security, Brightness Set the brightness of the display

•Brightness: Set the brightness of the display.

•Screen timeout: Set the length of time the device waits before turning off the display's backlight.

•Power saving mode: Activate Power saving mode. In Power saving mode, the device saves power by adjusting the white balance on the display and the brightness level.

•TV out: Select a video encoding system of your TV for proper TV connections. ► p. 87

Location and security

Change the settings for securing your device and the SIM or USIM card, and GPS functionality.

•Use wireless networks: Set the device to use the wireless networking for checking locations, if supported in an application.

•Use GPS satellites: Enable the GPS functionality for checking locations, if supported in an application. You can view locations at street level by using the GPS.

•Set unlock pattern: Set an unlock pattern to unlock the device.

•Require pattern: Set the device to require the unlock pattern you have set each time you turn it on. By doing this, you can prevent unauthorised people from unlocking the device.

•Use visible pattern: Set the unlock pattern to be visible or invisible as you draw it.

•Use tactile feedback: Set the device to vibrate when you touch and draw the unlock pattern.

•Set up SIM card lock:

--Lock SIM card: Activate or deactivate the PIN lock feature to require the PIN before using the device.

--Change SIM PIN: Change the PIN used to access SIM or USIM data.

•Mobile tracker: Activate or deactivate the mobile tracker feature which helps you locate your device when it is lost or stolen. ► p. 27

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