Chapter 2. Learning the basics
Hotkeys Using hotkeys
The hotkeys are located in the function key row of the keyboard.
By pressing the appropriate hotkey, you can change system settings instantly. The following describes the function of each hotkey.
: Mute/Unmute.
: Increase sound volume.
Refresh desktop or Web 
: pages.
Enable/disable Airplane 
: mode.
Turn on/off the backlight of 
: the LCD screen.
: Decrease display brightness.
: Decrease sound volume.
Close active window or 
: program.
Enable/Disable the
: touchpad.
Display all currently active 
: apps.
Open the interface for
: changing display devices.
: Increase display brightness.
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