Asus G56JR User Manual page 50

Function
To reconfigure the Instant Key, press and hold the Instant Key for
about three seconds to launch the Instant Key setup screen.
50
Output Display Selector
Quickly switches between notebook, external monitor,
and a duplicate monitor.
This function mimics the behavior of <Fn> + <F8>,
which is the Touchpad LCD/Monitor Switch function
key.
Wireless Connectivity
Allows you to enable or disable Wi-Fi and Bluetooth.
This function mimics the behavior of <Fn> + <F2>,
which is the WLAN/Bluetooth Switch function key.
Media Control
Quickly launches Windows Media Player, and plays/
pauses during media playback.
Description
Notebook PC User Manual