1 - 12 Function KeysQuick Start Guide1Function KeysThe function keys (F1 - F12 etc.) will act as hot keys when pressed while the Fn key is held down.Table 1 - 5 - Function KeysKey Function Key FunctionFn + ~ Play/Pause (in Audio/Video Programs) Fn + F8 Decrease LCD BrightnessFn + F1 TouchPad Toggle Fn + F9 Increase LCD BrightnessFn + F2 Turn LCD Backlight Off(Press a key to or use TouchPad to turn on) Fn + F10 PC Camera Module Power ToggleFn + F3 Mute Toggle Fn + F11 Wireless LAN Module Power ToggleFn + F4 Sleep Toggle Fn + F12 Bluetooth Module Power ToggleFn + F5 Decrease Audio Volume Fn + NumLk Number Lock Toggle (Models A & B)Fn + F6 Increase Audio Volume Fn + ScrLk Scroll Lock ToggleFn + F7 Display Toggle NumLk Number Lock Toggle (Model C)Special CharactersSome software applications allow the number-keys to be used with Alt to produce special characters. These special characters can only be produced by usingthe numeric keypad. Regular number keys (in the upper row of the keyboard) will not work. Make sure that NumLk is on.