Panasonic CF-73 Series Reference Manual page 6

Key Combinations
Key
Fn+F5
Volume control (down)
Volume control (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
Power off using the standby function
Pressing this key combination causes the current
status of the computer to be saved to memory, and
powers off the computer. (
Fn+F9
Remaining capacity of the battery pack
Pressing this key combination displays the
remaining battery capacity on the screen.
Functions
page 19)
6
Popup Window
(Displayed after logging
on to Windows)
When the battery pack is
inserted in the computer
(example)
When the battery pack is
not inserted in the
computer