Notification lights
Select Menu > Settings and Phone > Notificat. lights.
To turn the standby breathing light on or off, select Standby br. light. When the
standby breathing light is turned on, the menu key lights up periodically.
To turn the notification light on or off, select Notification light. When the
notification light is turned on, the menu key lights up for a period you define to
notify of missed events, such as missed calls or unread messages.