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where do I get this disc and will it tell me how to do this

I have a onkyo ht 520 home theater system and it was set up in my living room that is about 14x18 with a one side valted ceiling. In this room it sounded fine to me. Now heres where the problem starts, I moved this system to my finished basement about 14x20 with a drop ceiling at 7 ft, I...