Menu functions Settings (Menu 3)3. Press <Save> or [OK].4. Press <Change>.LCD brightness (Menu 3.4.4)Use this menu to adjust the brightness of the maindisplay for varying lighting conditions.Backlight (Menu 3.4.5)You can select the length of time the backlight andthe display stays on.• On: select the length of time the backlight stayson in times of inactivity.• Dim: select the length of time the display is inDimming mode after the backlight turns off.After a specified time, the display turns off.• Sub LCD indicator: set whether or not theicons are shown on the external display after thedisplay turns off.Dialing display (Menu 3.4.6)Use this menu to customise the settings for theCall (Menu 3.5)Use this menu to set options for call functions.Caller ID (Menu 3.5.1)Use this menu to prevent your phone number frombeing displayed on the phone of the person beingcalled.• By network: use the default setting provided bythe network.• Send: send your number each time you make acall.• Hide: ensure your number does not display onthe other person’s phone.Diverting (Menu 3.5.2)This network service reroutes incoming calls to adifferent phone number that you specify.Some networks do not allow the user to changethis setting.