Sony VPCL2290X Manual

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Customizing Your VAIO Computer >
Using the VAIO Control Center
Using S-FORCE Front Surround 3D
S-FORCE Front Surround 3D is a virtual surround technology which allows you to enjoy powerful and realistic surround sound 
using the built-in speakers. Its effect is especially noticeable when you are watching movies.
To enable S-FORCE Front Surround 3D
1
Click StartAll Programs, and VAIO Control Center.
2
Click Sound and Sound Effect Settings.
3
Click Use S-FORCE Front Surround 3D and OK.
!
S-FORCE Front Surround 3D works only on sound output from the built-in speakers.
Simultaneous use of S-FORCE Front Surround 3D and Dolby PC Entertainment Experience is not possible.
To achieve maximum effect of S-FORCE Front Surround 3D, place your computer directly across from your listening position and stay within the 
optimum distance: approximately 3.3 feet (1 m) from the computer.