Russ this might solve some problems with auto cal
http://boim.com/DeltaUtil/DeltaCalibrationTools.html
But from what I have experienced, from what other people have told me, proven and seen for themselves, it's better to go ahead and manually calibrate, then you can use auto leveling.
http://boim.com/DeltaUtil/DeltaCalibrationTools.html
But from what I have experienced, from what other people have told me, proven and seen for themselves, it's better to go ahead and manually calibrate, then you can use auto leveling.