Fujitsu LIFEBOOK U749 Operating Manual page 37

Function key
Fujitsu
Description
Switch microphone on/off
This function key switches the microphone off and on.
F1 Disable Enable
Switching the loudspeakers on and off
Use this function key to switch your notebook's loudspeakers off
and on.
F2 Loudspeakers Loudspeakers
Decrease volume
This function key reduces the volume of the built-in loudspeakers.
F3 Volume
Increase volume
This function key increases the volume of the built-in loudspeakers.
F4 Volume
Switching the wireless components on / off
This function key switches the wireless components off or on.
Wirelesscomponents F5 Wirelesscomponents
Switching the touchpad and touchpad buttons on/off
This function key switches the touchpad and the touchpad buttons
off or on.
Touchpad F6 Touchpadbuttons Touchpad
Decrease screen brightness
This function key decreases the brightness of the screen.
Screenbrightness LCDscreen F7
Increase screen brightness
This function key increases the brightness of the screen.
F8 Screenbrightness
Power management functions
Use this function key to activate the energy saving functions (see
chapter "Using the power-management features", Page
F9 Energysavingfunctions
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.
Screen 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.
Toggleoutputscreen F10
Prt Scrn
This function key takes a screenshot of the current screen display
and saves it to the clipboard.
Num Lock
This function key activates the virtual number block. The
characters found on the upper right of the keys are then output.
Working with the notebook
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