FN Functions:
Fn+Q: Turn on the media player.
Fn+W: Reduce the voice.
Fn+E: Raise the voice.
Fn+R: Stop media.
Fn+A: Mute.
Fn+S: Previor sone.
Fn+D: Stop/play.
Fn+F: Next.
FN+O: Backlight mode select.
Fn+P: Change the color of backlit.
Fn+[: Slow the running lihgt down.
Fn+]: Speed the running light up.
Fn+L: LED on/off.
Fn+;:: Brightness reduce.
Fn+'"": Brightness raise.
F+.>: switch on the arrow keys.
