[quote=”Meester.Rip”]
Wouldn’t setting the master to 0 be mute? If I am connected via optical should I have the master audio set to 0, e.g. in Media Center would the icon in the top right be at 0 or mute and the amp would control the volume.
[/quote]
0dB is actually unity gain. Decreasing the signal level would be a negative decibel value. The zero you are thinking of is 0%.