Sony VGC-RA810G - Manual (Page 234)

Why is the S/PDIF option disabled in the Media Center software program?
S/PDIF is enabled in Media Center by changing the DVD settings. This feature is disabled because the appropriate output
setting is not selected in the InterVideo
® WinDVD ® software program's audio setup.
To change audio settings in the WinDVD software program
1. Click Start in the Windows ® taskbar, and point to All Programs.
2. Point to InterVideo WindDVD 5, and the click on InterVideo WinDVD 5 for VAIO.
The WinDVD window opens.
3. Right-click in the WinDVD window to open the Setup dialog box.
4. Select the Audio tab.
5. To enable S/PDIF, go to Audio Output Configuration and select Digital (S/PDIF) out to External Processor.
6. Click OK.
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