Sony VGN-SZ480 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.
Combinations and Functions with the Fn Key
Some functions are not available before Windows launches.
Combinations/Feature
Functions
Fn + F1: wireless switching
*
Toggles among Bluetooth, wireless LAN, and wireless WAN functionalities. 
!
This function is not available for the models that do not support the wireless WAN functionality.
Fn + 
%
 (F2): speaker switch
Turns on and off the built-in speakers and the headphones.
Fn + 
2
 (F3/F4): volume
Adjusts the volume level.
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 lightness intensity, press Fn+F6 and then 
M
 or 
,
, or keep pressing Fn+F6.
To decrease lightness 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.