Using the Keyboard 13Using Special Function KeysThe function key activates special functions when it is pressed in combination withanother keys. Table 2 shows the special key combinations.Table 2. Description of Special Function Key CombinationsWhen you press a function key combination, the system sound may betemporarily muted. KeyCombinations Key Name Key Function EscRestRest Puts the computer into Suspend mode. To resumenormal operation from rest, press the power button. F2GaugeGauge Displays the battery gauge and the power source inthe upper-left corner of your screen. The gaugecloses in a few seconds. F4LCD/CRTLCD/CRT Switches the display between the LCD, the externaldisplay device, and simultaneous display on both theLCD and the external display device. F6MuteMute Mutes the audio. F7S/PDIFS/PDIF Toggles the S/PDIF function On/Off. F11Num LockNum Lock Activates the numeric keypad. F12ScrollScroll In some applications, sets the cursor-control keys toscroll the page up or down while the cursor positiondoes not change. Pressing key combination againturns off the scrolling function. Up Arrow BrightnessUpIncreases the LCD brightness. Down Arrow BrightnessDownDecreases the LCD brightness. Right Arrow Volume Up Increases the audio volume. Left Arrow VolumeDownDecreases the audio volume.
