Sony vaio vgn-g21xp-b User Manual

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Using Your VAIO Computer
Using the Keyboard
Your keyboard is very similar to a desktop computer keyboard, but has additional keys that perform model-specific tasks.
The VAIO-Link Web site (
) also contains glossary information to help you use the keyboard.
Combinations and Functions with the Fn Key
Some keyboard functions can be used only after the operating system finished launching.
Combinations/Feature
Functions
Fn + % (F2): speaker switch
Turns on and off the built-in speakers and the headphones.
Fn + 2 (F3/F4): speaker volume
Adjusts the built-in speaker volume.
To increase the volume, press Fn+F4 and then 
M or ,, or keep pressing Fn+F4.
To decrease the volume, press Fn+F3 and then 
m or <, or keep pressing Fn+F3.
Fn + 8 (F5/F6): brightness control
Adjusts the LCD brightness of your computer screen.
To increase lighting intensity, press Fn+F6 and then 
M or ,, or keep pressing Fn+F6.
To decrease lighting intensity, press Fn+F5 and then 
m or <, or keep pressing Fn+F5.
Fn + 
/T (F7): display output
Toggles among your computer screen, an external display, and simultaneous output to both.