You didn't, BEA did....
"Autopilot "flies" flightpath, constantly correcting itself if deviation is detected (see the "zipper" trace you were interested in earlier). In Alternate 2, the aircraft holds commanded flightpath in pitch and is roll direct.
How does Pilot determine which is commanded, and which is flightpath? Does he have to assume the displayed flightpath is his command? Trusting soul...
Last edited by Lyman; 31st August 2012 at 23:44.