Sony PCG-F520 Manual

Using the Keyboard

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Combinations and Functions with the Fn Key

Combinations/

Feature

Function

Fn+ 

 (ESC)

System Suspend

Puts the system into System Suspend mode, a power- management 

state. To return the system to the active state, press any key or press 

the power button on your computer.

Fn+ 

 (F2)

Display power source status

Displays the power source status, as in the example below:

Fn+ 

 (F3)

Mute On/Off

Toggles the built-in speaker off and on. 

Fn+ 

 (F4)

Speaker volume

Adjusts the built-in speaker volume.
To increase volume, press Fn+F4, then   or ➜.
To decrease volume, press Fn+F4, then   or  .

Fn+ 

 (F5) 

Brightness control

Adjusts the brightness of the LCD.
To increase light intensity, press Fn+F5 and then   or ➜.
To decrease light intensity, press Fn+F5 and then   or  .

Fn+ 

 (F6) 

Contrast control

Adjusts the screen contrast.

Fn+ 

/

 (F7)

Switch to the 

external monitor/LCD

Toggles through the LCD, external display (connected to the   

Monitor connector) and both LCD and external display.

Fn+ 

 only/

 (F8)

Control TV out

Toggles between LCD-only and dual LCD/TV display modes.

➜

➜

➜

➜

➜

➜