Use the Fn+ function key to compose the shortcut key feature.
ESC: Sleep mode.
F2: Used to display the remaining battery charge.
F3: Euro currency unit symbol.
F4: After you connect an external monitor or TV, output the screen to an external display or TV.
F5: Turn LCD backlight on or off.
F6: For mute or mute.
F7: Start the Samsung Service Center feature, which is a system for self-diagnosis and recovery programs.
F8: Start easy speedup Manager feature that switches between high performance or low noise, Low-power mode (which is required to be easily installed Speedup Manager software).
F9: Turn on or off the wireless network device.
F10: Start or turn off the touchpad feature.
F11: Start or turn off the numeric keypad feature.
F12: Lock scrolling function, scrolling function is in some applications without changing the cursor position can scroll up and down the screen.
Note: Some function keys need to install the Easy Display Manager program to use the function key.