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Question: Need Help with set-up Menu

I have the Onkyo TX-SR805 and I don't understand A few things about the Set-up menu.
I need help with 3: AUDIO ADJUST 3-3, 4,5,6,7, 5: LISTENING MODE PRESET 1 THRU 10

6: miscellaneous 6-1 Audio Setup...Absolute or Relative

If anyone would be willing to give me a call or I will call you, to WALK me through the Set-up Section.