User's Manual

Operating Your Computer 2-5
Ref Component Description
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Fn Key
The Fn key, at the lower left corner of the keyboard, is used
with another key to perform the alternative function of a
key. The letter “Fn” and the alternative functions are
identified by the color of blue on the keytop. To perform a
desired function, first press and hold Fn, then press the
other key.
Hot key functions are assigned to F1, F2, F3, F4, F5, F6, F7,
F8, and F9 by your computer (see “Hot Keys” for details).
Hot Keys
Hot keys refer to a combination of keys that can be pressed any time to activate
special functions of the computer. Most hot keys operate in a cyclic way. Each
time a hot key combination is pressed, it shifts the corresponding function to the
other or next choice.
You can easily identify the hot keys with the icons imprinted on the keytop. The
hot keys are described next.
Key Description
Fn + F1
Switches the wireless LAN radio on and off.
Fn + F2
Switches the system sound output off (mute) and on.
Fn + F3
Decreases the sound volume.
Fn + F4
Increases the sound volume.
Fn + F5
Decreases the LCD brightness.
Fn + F6
Increases the LCD brightness.
Fn + F7
Switches the display output to one of the following when
external devices are connected.
Upon booting the system with CRT:
NOTE: This function only applies to Plug & Play display
devices.