User's Manual

2-4 Operating Your Computer
You can easily identify the hot keys with the icons imprinted on the keytop.
The hot keys are described next.
Key
Description
Switches the wireless LAN radio on and off.
Decreases the sound volume.
Increases the sound volume.
Switches the display output to one of the following
when external devices are connected.
Upon booting the system with CRT:
LCD CRT
LCD & CRT
NOTE: This function only applies to Plug & Play display
devices.
Decreases the LCD brightness (16 levels).
Increases the LCD brightness (16 levels).
Switches the touchscreen on and off (option).
Switches the touchpad off and on.
Switches the system sound output off (mute) and on.
Switches the display backlight on and off.