Panasonic Toughbook CF-19AHJAX1M Reference Manual page 5

Key Combinations
Key
*1 Speaker on/off
Fn + F4
Volume
*1
Fn + F5
(Fn + F5= down / Fn + F6= up)
*1
Fn + F6
NOTE
When fine-tuning the sound volume, press and hold Fn, and press F5 or
F6 intermittently.
This does not work on beeps or speakers connected to the USB port.
Fn + F7
Activate sleep
Fn + F8
Concealed Mode on/off
You can select on/off of LCD Backlight, LED, Sound
Keyboard.
NOTE
You have to set [Concealed Mode] to [Enabled] in Setup Utility.
( page
You can set the devices turned off in [Concealed Mode] with Setup Utility
( page
If you press Fn + F8 in succession, the Concealed Mode may not be
switched. More than 4 minutes interval is necessary to switch on/off.
Fn + F9
Remaining battery charge
Fn + F10
Activate hibernation (
*1
These key combinations are disabled when [Concealed Mode] is enabled.
Function
*2
( page 33)
106)
106).
page 33)
*3
, Wireless Radio and Backlit
5
Pop-up icon
OFF ON
(MUTE)
( page 43)