6564Short: the backlight comes on when you press a keyor receive a call and switches off 10 seconds afterthe last key is pressed.Long: the backlight comes on when you press a keyor receive a call and switches off 20 seconds afterthe last key is pressed.ContrastThis option allows you to adjust the contrast of theLCD screen by pressing the or key. Each timeyou press the key, you can see the LCD screenchanging according to the current value.Service Light Menu 4.3This option allows you to select whether or not theservice light in the top right-hand corner of the phoneis used.The following options are available.OFF: the service light is not used.ON: the service light flashes when the phone is readyfor use.Phone SettingsMany different features of your phone can becustomized to suit your preferences. All of thesefeatures are accessed via the Phone Settings menu.Greeting Message Menu 4.1This option allows you to set a greeting message tobe displayed briefly when the phone is switched on.The current message is displayed.To... Then press the...Clear the existing C key and hold it down untilmessage the message is cleared.Enter a new message Appropriate alphanumerickeys.For further details on how to enter characters, refer topage 31.LCD Control Menu 4.4Back LightYou can select whether or not the phone uses thebacklight. A marginal increase in standby/talk timecan be achieved by turning the backlight off.The following options are available.OFF: the backlight is not used.PPhhoonnee SSeettttiinnggss