Samsung NP540U3C User Manual page 51

Keyboard
Chapter 3.
50
Using the computer
Shortcut Keys Name Function
Settings The Samsung software control program, the Settings, is launched.
Screen Brightness Control Controls the screen brightness.
Switches the screen output to the LCD or external monitor when an external monitor (or TV)
CRT/LCD
is connected to the computer.
Turns the Touchpad function on or off.
Touchpad
When using an external mouse only, you can turn the Touchpad off.
Mute Press this button to turn the audio on or off.
Volume Control Controls the volume.
Silent Mode Reduces the Fan noise so that users can use the computer without hearing noise.
Turns all wireless network devices on or off.
Airplane Mode
(Only for models with a wireless network device.)