Fujitsu LifeBook U772 User Manual page 30

Function Keys
Your LIFEBOOK Ultrabook has 12 function keys, F1 through F12. The functions assigned to these keys differ for each
application. You should refer to your software documentation to find out how these keys are used.
Icon Keys
[Fn+F3]
[Fn+F4]
[Fn+F5]
[Fn+F6]
[Fn+F7]
[Fn+F8]
[Fn+F9]
Pressing [F3] while holding [Fn] will toggle the Audio Mute on and off.
Pressing [F4] while holding [Fn] will toggle the touchpad on and off. (This function key combination only
works if the BIOS setting for Advanced > Keyboard/Mouse Features > Internal Pointing Device is set to
Manual Setting.)
Pressing [F5] while holding [Fn] will toggle the wireless connection on and off.
Pressing [F6] repeatedly while holding [Fn] will lower the brightness of your display.
Pressing [F7] repeatedly while holding [Fn] will increase the brightness of the display.
Pressing [F8] repeatedly while holding [Fn] will lower the volume of your system.
Pressing [F9] repeatedly while holding [Fn] will increase the volume of your system.
Description
25 - Keyboard