Asus G56JR User Manual page 40

LCD/Monitor Icons (f8): Toggles between the Notebook
PC's LCD display and an external monitor in this series: LCD
Only -> CRT Only (External Monitor) -> LCD + CRT Clone
-> LCD + CRT Extend. (This function does not work in 256
Colors, select High Color in Display Property Settings.)
NOTE: Must connect an external monitor "before"
booting up.
Crossed-out Touchpad (f9): Toggles the built-in touchpad
LOCKED (disabled) and UNLOCKED (enabled). Locking
the touchpad will prevent you from accidentally moving
the pointer while typing and is best used with an external
pointing device such as a mouse. NOTE: Selected models
have an indicator between the touchpad buttons will light
when the touchpad is UNLOCKED (enabled) and not light
when the touchpad is LOCKED (disabled).
Crossed Speaker Icons (f10): Toggles the speakers ON and
OFF (only in Windows OS)
Speaker Down Icon (f11):
Decreases the speaker volume (only in Windows OS)
Speaker Up Icon (f12):
Increases the speaker volume (only in Windows OS)
Fn+A (on selected models):
Toggles the ambient light sensor ON or OFF.
Fn+C: Toggles "Splendid Video Intelligent Technology"
function ON and OFF. This allows switching between
different display color enhancement modes in order to
improve contrast, brightness, skin tone, and color saturation
for red, green, and blue independently. You can see the
current mode through the onscreen display (OSD).
40 Notebook PC User Manual