The signal you are decoding is a 5.1 signal only, so the 950 defaults to a 5.1 processing mode. To enable a 7.1 mode, you need to either force it into Dolby EX processing (using the "DD" button on the remote) or use the Cirrus Extra Surround (The "CR SURR" button on the remote). Once you do this once for any specific input (DVD, Video3, ...), the 950 will remember for that input and use the same mode for future 5.1 sources.

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