Well I'm not confused over using a RS SPL meter on anything about setting it up. I want to know if you have to go through all the different decoding modes? I was listening to a CD and I noticed it was a little louder then my movie playback so I went to the speaker settings and noticed them all zeroed out in stereo and 5 chan stereo etc. Do I just need to copy the DVD settings and plug them into the other modes? Somehow I fell weird about doing this because it seems like other factors are involved in setting up DD/DST then basic stereo. Should I use the receivers test tones for this task?