I'm using a 3805 via analog and it sounds awesome, but how do we know what signal is being outputed? My receiver just shows multi and analog and I wonder if yours displays the same

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PS: It may be worth the money one day just to see that displayed

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Regards, Bill
I believe the mutichannel is only for analog. Since you're using HDMI just bitstream everything from the s550 to your reciever. The setting in the players are IMO basically futile, just use the setting you've already calibrated in your receiver.