Toshiba Satellite P845 - Manual (Page 60)

Please note that some software may disable or interfere with soft-key
operations, and that the soft-key settings are not restored when the
computer returns from Sleep Mode.
You can configure the Function Keys’ mode by selecting the "Special
function mode" or "Standard F1-F12 mode". Please refer to the
TOSHIBA
System Settings section.
Function keys let you enable or disable certain features of the computer.
The functions can be performed by pressing the associated function keys.
Special
function mode Standard F1-
F12 mode Function
F1 FN + F1 Launches the help file supplied with
the software.
F2 FN + F2 Decreases the computer's display
panel brightness in individual steps.
F3 FN + F3 Increases the computer's display
panel brightness in individual steps.
F4 FN + F4 Changes the active display device.
To use a simultaneous mode, you
must set the resolution of the internal
display panel to match the resolution
of the external display device.
F5 FN + F5 Enables or disables the Touch Pad.
F6 FN + F6 Moves media backward.
F7 FN + F7 Plays or pauses media playback.
F8 FN + F8 Moves media forward.
F9 FN + F9 Decreases the computer's volume.
F10 FN + F10 Increases the computer's volume.
F11 FN + F11 Turns the sound on or off.
F12 FN + F12 Turns the Airplane mode on or off.
FN + 1 FN + 1 Reduces the icon size on the desktop
or the font sizes within one of the
supported application windows.
FN + 2 FN + 2 Enlarges the icon size on the desktop
or the font sizes within one of the
supported application windows.
FN + Space FN + Space Changes the display resolution.
User's Manual 4-3