Panasonic CF-W2 Series Reference Manual page 18

Using the Fn Key
Key
Fn+F4
Speaker on/off switch
Pressing this key combination turns on/off audio
from the internal speaker and headphone jack.
NOTE
Disabling the speakers will also disable the
warning beep
Speakers connected to the USB port
cannot be muted
Fn+F5
Volume control
(Fn+F5 = down / Fn+F6 = up)
Fn+F6
Pressing this key combination adjusts the volume
of the internal speaker and headphone jack.
NOTE
This key combination cannot be used to
adjust the volume of the warning beep or
speakers connected to the USB port
Fn+F7
Forcing the standby function
Pressing this key combination causes the current
status of the computer to be saved to memory, and
puts the computer into standby mode. (
Functions
page
18
Pop-up Window
(Displayed after
logging on to
Windows)
OFF
(MUTE)
ON
38)