just to let you all know Len @lensimages ,a long time member on the forum ,suffered a double stroke a couple of weeks ago, and is now back home recovering slowly ,i visited him today, and asked if i could post a message about his recent...
In truth, you have both read, and not read the manual, but we won't know until you adjust a parameter in Fly and the Manual wave function collapses and we can determine if you knew what you were doing when you made the parameter adjustment...