Asus X53By User Manual page 45

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+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).
Fn+V: Toggles "Life Frame" software application.
Power4Gear Hybrid (Fn+Space Bar): This key toggles
power savings between various power saving modes.
The power saving modes control many aspects of the
Notebook PC to maximize performance versus battery
time. Applying or removing the power adapter will
automatically switch the system between AC mode and
battery mode. You can see the current mode through the
on-screen display (OSD).
Notebook PC User Manual 45
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