Intel W653UI1 - Manual (Page 22)

Before You Begin User's Guide
Brightness Increasing
Press this key combination (Fn+F7) to increase brightness of LCD display.
Brightness Decreasing
Press this key combination (Fn+F8) to decrease the brightness of LCD
display.
Touch Pad Switch
Press this key combination (Fn+F9) to switch off and to switch on the touch
pad function. When the touch pad function is switched off, the touch pad
device still can work temporarily for three to five seconds during system
reboots into Windows™ operating system, or resumes from standby or
hibernation.
Mute/Un-Mute Switch
Press this key combination (Fn+F10) to mute and un-mute the audio volume.
Volume Increase
Press this key combination (Fn+F11) to increase the audio volume.
Volume Decrease
Press this key combination (Fn+F12) to decrease the audio volume.
NumLock Switch
Press this key combination (Fn+ ) to activate or deactivate the
embedded numeric keypads.
Break Switch
Press this key combination (Fn+ ) to break the MS-DOS application
program you are running. Its function is the same as the industry standard
“break” key.
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