Sony PCG-R505DC Manual

  

 If you switch user identities during a computing session, the Fn+F7 key functionality (if available on your computer) will

be interrupted. To switch to an external display or monitor, see 

 for more information. 

Fn + 

(F3) 

Mute On/Off 

Toggles the built-in speaker off and on. 

Fn + 

(F4) 

Speaker volume 

Adjusts the built-in speaker volume. An on-screen display appears notifying you when a change

occurs. 

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 computer screen (LCD). 

To increase light intensity, press Fn+F5 and then 

or 

. 

To decrease light intensity, press Fn+F5 and then 

or 

. 

Fn + 

/

 (F7)

Switch to the external monitor/LCD 

Toggles between the computer screen (LCD), a connected external display, and both

the LCD and external display. 

Select one display at a time to playback DVDs. Connect the cable before you turn on the computer, otherwise Fn+F7 will not
work. 

Fn + 

(F12)

Hibernate 

Provides for the lowest level of power consumption. When you run this command, the state of the

system and state of the peripheral devices are written to the hard disk and the system power is turned off. To return the
system to its original state, use the power button to turn on power. 
Fn + Esc
Standby 

Puts the system into Standby mode, a power management state. To return the system to the active

state, press any key or press the power button. 
Fn + B
Bass Boost 

Toggles the bass-boost function off and on. This feature is available only while using headphones. 

  

 You can also carry out these functions using the Jog Dial   Control. Some functions are not available until the Microsoft

®

 Windows

®

 operating system launches.