User guide

Key Icon Description
Decrease
brightness
Decreases the screen brightness level incrementally.
Increase brightness Increases the screen brightness level incrementally.
Sleep Initiates Sleep.
Switch screen
image
Switches the screen image among display devices connected to the system. For
example, if a monitor is connected to the computer, repeatedly pressing the switch
screen image key alternates the screen image from computer display to monitor
display to simultaneous display on both the computer and the monitor.
Most external monitors receive video information from the computer using the
external VGA video standard or HDMI. The switch screen image key can also
alternate images among other devices receiving video information from the computer.
QuickLock Initiates the QuickLock security feature.
Volume mute Mutes or restores speaker sound.
Volume down Decreases speaker sound incrementally.
Volume up Increases speaker sound incrementally.
Previous track Plays the previous track of a CD or the previous section of the DVD or BD.
Play/pause Plays, pauses, or resumes an audio CD, a DVD, or a BD.
Next track Plays the next track of an audio CD or the next section of the DVD or BD.
Stop Stops audio playback of a CD, a DVD, or a BD.
Using the hotkeys
Hotkeys are combinations of the fn key (1) and either the esc key (2) or one of the arrow keys (3).
28 Chapter 4 Pointing devices and keyboard