2-14 Operating Your ComputerUsing the Quick ButtonsLocated on top of the keyboard are four quick buttons:Button DescriptionP1 Toggles the “Blackout” mode on or off.In Blackout mode, the LCD backlight and LED indicators areturned off. To bring the computer out of Blackout mode, pressP1 or the power button.NOTE: “Blackout” is the default setting of the P1 button. Youcan re-define the button. (See “P1 Quick Button DefinitionUtility” in Chapter 6 for information.)Toggles ECO power saving mode on or off when using batterypower.In ECO mode, the system turns down the panel backlight andsacrifices processing speed to gain more battery life. The buttonlights green while in ECO mode.NOTE: The button works only when using battery power.Toggles the sunlight-readable mode on or off.In sunlight-readable mode, the LCD brightness is increased tothe highest level. The button lights green while insunlight-readable mode.
