User Manual

Table Of Contents
Working with the notebook
Separate number block
NumerickeypadSeparatenumer ickeypadNumLock
LIFEBOOK U73 12 and LIF E BO O K U7412 have virtu al number blocks,
LIFEBOOK U7512 has a separate number block.
The keyboard of your notebook has a separate number block on the far right.
Function keys and key combinations
Keycombinations
The following description of the function keys and key combinations applies to Windows
operating systems. Some of the funct ions described below may not work in other
operating systems and with some device drivers.
Other key combinations are described in the relevant manuals supplied
with your application programs.
Key combinations are entered as follows:
Press the rst key in the combination and keep it pressed.
W hile holding the rst key down, press the other key or keys in the combination.
Function key Description
Switch mi crophone on /of f
This function key s witch es the m icrophone off and on.
F1EnableDisable
Switching the loudspeakers on and off
This function key switches the speaker of the notebook off and on.
F2Loudspe akersLoudspeakers
Decrease volume
This function key reduce s the volume of the built-in loudspeakers.
F3Vol ume
Fujitsu 31