Sony VGN-FS550 - Manual (Page 115)

Adjusting the sound
You can adjust the volume by using the following shortcut keys. An on-screen display appears notifying you when a change
occurs.
Fn+F2 Toggles the headphones and built-in speakers off and on.
Fn+F3 Decreases the speaker volume.
Fn+F4 Increases the speaker volume.
Alternatively, you can use the Volume icon on the Windows ® taskbar.
To adjust the volume of your speakers
1. Right-click the Volume icon on the Windows ® taskbar, and select Open Volume Control. The Master Volume
window appears.
2. Click and drag the Master Volume slider up to increase volume and down to decrease volume.
3. Click to cancel any Mute check boxes that are selected.
Sound device Function
Master Volume Adjusts the sound level from the speakers or headphones.
WAVE Adjusts the wavfile sound or the system sound of Windows.
SW Synth Adjusts the internal or external synthesizer volume.
CD Player Adjusts the volume of the CD in the optical drive.
Microphone Adjusts the internal or external microphone volume.
PC Beep Adjusts the beep sound when inserting or removing the PC Card and other devices.
Adjusting the volume for playing CDs and DVDs does not adjust the volume for recording sound files. You can only
adjust the recording volume in the Recording Control window. See Using a microphone to record sound for instructions on
how to open this window.
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