Your phone17folder, the backlight illuminates. It turns off if nokey is pressed within a given period of time,depending on the Backlight option settings. Seepage 154 for further details.Dim modeIf no key is pressed for a given period of time whichyou can set in the Backlight menu option (Menu9.1.4), the backlight dims to save power. Press anykey to awaken it from dim mode.Main display off modeIf no key is pressed for one minute after thebacklight dims, the main display shuts off. Pressany key to reactivate the main display.External displayYour phone has an external display on the folder.It indicates that you have an incoming call ormessage, and notifies you at the specified time ifyou have set an alarm.When you press and hold either of the volume keyswith the folder closed, the external display willilluminate.When the headset is connected, you can also use itsbutton to turn on the external display.
