User's Guide

Table 2-9 Action keys and their descriptions (continued)
Icon Description
Decreases the screen brightness incrementally as long as you hold down the key.
Increases the screen brightness incrementally as long as you hold down the key.
Turns the keyboard backlight o or on. Press the key repeatedly to adjust the brightness from high (when you
rst start up the computer), to low, to o. After you adjust the keyboard backlight setting, the backlight will
revert to your previous setting each time you turn on the computer. The keyboard backlight will turn o after
30 seconds of inactivity. To turn the keyboard backlight back on, press any key or tap the touchpad (select
products only). To conserve battery power, turn o this feature.
Plays the previous track of an audio CD or the previous section of a DVD or a Blu-ray Disc (BD).
Starts, pauses, or resumes playback of an audio CD, a DVD, or a BD.
Plays the next track of an audio CD or the next section of a DVD or a BD.
Decreases speaker volume incrementally while you hold down the key.
Increases speaker volume incrementally while you hold down the key.
Mutes or restores speaker sound.
Turns the wireless feature on or o.
NOTE: A wireless network must be set up before a wireless connection is possible.
Switches the screen image among display devices connected to the system. For example, if a monitor is
connected to the computer, repeatedly pressing the key alternates the screen image from computer display
to monitor display to simultaneous display on both the computer and the monitor.
12 Chapter 2 Components