I Agree with Mr. McGavern. I have to move it to get a better signal but I believe it is the angle in which the sound goes in. I have found that I hear different when I do it by ear that I also can get a different perspective on the sound. (I look like I pray a lot as that seems to be the best angle for my ears). I use the RCT and have a old sat II (retired) and sometimes have the check out the machines as sometimes they miss the mark. Alway chech the first time you set up the tuning with the machine with your ear. I hope this makes since. Alan Meyer Assoc. Member Las Vegas Nevada
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