84Menu functionsBacklight (Menu 9.3.6)You can select the length of time the backlight stayson or the length of time the display stays on in Dimmode, in which the backlight is off.• Main LCD on: select the length of time thebacklight stays on.• Main LCD dim: select the length of time thedisplay is in Dim mode after the backlight turns off.After a specified time, the display turns off.Dialing font colour (Menu 9.3.7)Use this menu to select a font colour for the numbersentered while dialling.Show caller information (Menu 9.3.8)Use this menu to set the phone to display missed callnotifications with the most recently missed caller’sinformation. To set the external display to show callerinformation, select With cover display.Service light (Menu 9.3.9)Use this menu to select the length of time the servicelight stays on. If you don’t want to use the servicelight, select Off.Sound settings (Menu 9.4)Use this menu to customise various sound settings.Incoming call (Menu 9.4.1)Use this menu to select a volume and alert type forincoming calls.• Ring tone: select a ringtone for the call ringer.• Volume: select a ringer volume.• Alert type: specify how you are to be informed ofincoming calls.Keypad tone (Menu 9.4.2)Use this menu to select the tone that the phonesounds when you press a key.You can adjust the keypad tone volume using[ / ] in Idle mode.