Operating Your Computer 2-4Using the Quick ButtonsLocated on top of the keyboard are five quick buttons: Sunlight readable quick button ( ) for enabling the sunlightreadable LCD display. Power saving quick button ( ) to enter into power saving modewhen using battery power. The system will turn down the panelbacklight and sacrifice processing speed to gain more battery life.NOTE: The power saving quick button works only when using battery power. During power saving mode, the optical drive and LAN port will be disabled (defaultsetting). P1 (Program 1 – user customized) quick launch key (P1). Default isMicrosoft® Internet Explorer. See chapter 6 for more details. P2 (Program 2 – user customized) quick launch key (P2). Default isMicrosoft® Outlook Express. See chapter 6 for more details. Optical drive quick button ( ) for ejecting the optical drive tray.