NEC NHD-3000PVR - Manual (Page 47)

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Audio / Video
09 Digital Audio Out
1. Press MENU button.
2. Use , button to highlight icon, then press OK.
3. Use , button to highlight Digital Audio Out. , then press OK.
4. Use , button to make a choice, then press OK.
PCM : Digital Audio Output is always PCM.
Dolby D : Digital Audio Output is Dolby Digital in case of Dolby Digital audio stream come in.
Controls audio output type.
Press MENU button to exit the menu screen.
Press EXIT button to switch to previous step on the menu screen.