If your a hunter, broadhead tune. Paper tune is only 15% or less of the answer. I paper,bareshaft, walkback, and bh tune. When you get teh same answer for all three, you know your onto something. When something doesn't smell right, like walkback doesn'nt line with Bareshaft, then you investigate that.

But in a pinch, shoot some BH's and some field points and adjust rest/poundage accordingly.