A few weeks ago I had an infected finger after pricking myself with a thorn from an old Rose bush cutting. I placed Tens pads on either side of the infected finger, ran a BFB scan on GX, then loaded the results into a contact killing preset and within a few hours the pain was greatly reduced. I didn’t remove the the Tens contact pads after doing the BFB scan until I ran the BFB results once in contact mode. So in this case GX BFB hit the mark. Had I placed one of the Tens contact pads at the other end of the same finger I may have not hit the target.