Samsung NV20 Manual page 35

Step 3. Enable S/PDIF on the DVD program
To use 5.1 channel speakers, you need to install the Power DVD program from the
DVD Installation CD provided with your computer, then change the settings as
following procedure.
1. Run Power DVD program and click the Settings icon (
2. On the Audio tab, set the Audio Output setting to "Use SPDIF" and click OK.
Now, you can enjoy home theater using DVD titles.
If you have enabled S/PDIF on the DVD program, sound will not be output to
the built-in speaker and the headphone terminal.
To control volume for your 5.1 channel speaker, use the control on the digital
amp. (Please refer to the speaker manual.)
).
Using The Computer 27