Gigabyte U21M User Manual - Page 5

English 4 Hotkeys The computer employs hotkeys or key combinations to access most of the computer's controls like screen brightness and volume output. To activate hotkeys, press and hold the key before pressing the other key in the hotkey combination. Hotkey Fn+F1 Function Sleep Description Put the computer in Sleep mode. Fn+F2 Wireless LAN Enables/disables the Wireless LAN function. Fn+F3 Brightness Down Decrease the screen brightness. Fn+F4 Brightness Up Increases the screen brightness. Fn+F5 Fn+F6 Display Toggle "Switche display output between the display screen, external monitor (if connected) and both." Screen Display Toggle Turns the screen display on and off. Fn+F7 Volume Mute Mute the sound Fn+F8 Volume Down Decrease the sound volume. Fn+F9 Volume Up Increases the sound volume. Fn+F10 Touchpad Toggle Turns the internal touchpad on and off. Fn+F11 Bluetooth Enables/disable the Bluetooth function. Fn+F12 Webcam Turns the internal webcam on and off.