21
Using Your LIFEBOOK
Function Key Description
Switching the microphone on/o
This function key switches the microphone o and on.
Switching the loudspeakers on and o
Use this function key to switch your notebook’s loudspeakers o and
on.
Decrease volume
This function key reduces the volume of the built-in loudspeakers.
Increase volume
This function key increases the volume of the built-in loudspeakers.
Switching the wireless components on / o
This function key switches the wireless components o or on.
Switching the touchpad and touchpad buttons on/o
This function key switches the touchpad and the touchpad buttons o
or on.
Decrease screen brightness
This function key decreases the brightness of the screen.
Increase screen brightness
This function key increases the brightness of the screen.
Power management functions
Use this function key to activate the energy saving functions.
Toggle output screen
If an external monitor is connected, the screen on which the output is
to be displayed can be selected with this function key.Sreen output is
possible:
• only on the notebook’s LCD screen
• on the LCD screen of the notebook and the external monitor at the
same time
• only on the external monitor
This setting is useful if you would like a high resolution and a high
refresh rate on an external monitor.
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