Chapter 1. Getting to know your computer
Hotkeys
The hotkeys are located on the function key row on the keyboard. You can access certain system settings quickly by pressing the appropriate hotkey.
Z400
Z500/P500
: Mutes/unmutes the sound.
Enables/disables Airplane 
: mode.
: Decreases the volume level.
: Increases the volume level.
:
:
Displays all currently active apps.
Turns on/off the backlight of the LCD screen.
:
:
Closes the currently active window.
Refreshes the desktop or the currently active window.
Toggles the display between the 
: computer and an external
device.
: Decreases display brightness.
: Enables/disables the touchpad.
: Increases display brightness.
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