Sony PCG-NVR23 - Manual (Page 8)

Combinations and functions with the Fn key
If you switch user identities during a computing session, the Fn+F7 and Fn+F8 key functionality (if available on your
computer) will be interrupted. To switch to an external display or monitor, see Selecting the Display Mode for more
information.
Combinations/
Feature Function
Fn+ (F3)
Mute On/Off Toggles the built-in speaker off and on. A red circle appears on the Volume icon on the Windows ®
taskbar.
Fn+ (F4)
Speaker volume Adjusts the built-in speaker volume.
To increase volume, press Fn+F4.
To decrease volume, press Fn+Shift+F4.
Fn+ (F5)
Brightness control Adjusts the brightness of the LCD.
To increase light intensity, press Fn+F5.
To decrease light intensity, press Fn+Shift+F5.
Fn+ / (F7)
Switch to the external monitor/LCD Toggles between the LCD, external display (connected to the Monitor port) and
both 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+ only/
(F8)
Control AV Out Toggles between LCD-only and dual LCD/TV display modes.
Select one display at a time to playback DVDs. Connect the cable before you turn on the computer; otherwise, Fn + F8 will
not work. You cannot use the Fn + F8 function to switch between LCD and TV once a DVD is inserted into the optical disc
drive.
Fn+ (F12)
Standby Puts the system into Standby mode, a power management state. To return the system to the active
state, press any key.
You can also carry out these functions using the Jog Dial Control. Some functions are not available until Windows ® Page 8