When I sight down my arrow and look at the string and sights (before drawing) the pins are about 1/2" left of the string and arrow. I haven't had a chance to paper tune yet but set the centershot 3/4" off the riser. The sweet spot on my other Mathews bows is 1/16" one way or the other from the 3/4" mark. Is something out of wack? Please help!!