User manual

XCSoar User Manual
Below final glide at Mc= M, and just below at Mc= 0 : Here the display shows that at the cur-
rent MacCready setting, the aircraft is below final glide (filled
red arrow). The hollow red arrow shows that by reducing
the MacCready setting to zero, the aircraft is nearly at final
glide.
Below final glide at Mc= M, and at Mc= 0 : Here the display shows that at the current Mac-
Cready setting, the aircraft is below final glide (filled red
arrow). No hollow red arrow shows that even at Mc= 0 the
aircraft is well below final glide.
5.10 Task speed estimation
Some of XCSoar’s internal calculations make use of estimates of
the time required to reach each waypoint in the task. This infor-
mation is used in some InfoBox displays, Assigned Area Task cal-
culations, and sunset warnings.
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