29
Speed is the velocity you are making over the ground. If you prefer, you
can customize the Speed data box to display Closing Speed instead.
Closing Speed is also known as velocity made good. It's the speed that
you're making toward the waypoint. For instructions, see the Custom-
ize Page Displays entry in Sec. 5.
Track is the heading, or the current direction you are actually travel-
ing. Bearing is the direction of a line-of-sight from your present position
to the destination. No matter what direction you are steering, the
Bearing window shows the compass direction straight to the destina-
tion from your location at the moment. Distance shows how far it is to
the waypoint you're navigating toward.
The Off Course window shows the current cross track error. This shows
the distance you are off-course to the side of the desired course line. The
course line is an imaginary line drawn from your position when you
started navigating to the destination waypoint. The course line is shown on
the Navigation Page screen and the Map Page screen as a dotted line.
Navigation Page, going to a waypoint while creating a new trail.
The cross track error range is shown on the compass rose as a wide,
white, corridor enclosing the course line. The outer edges of this white
corridor represent lines that show the current cross track error range.
The default for the cross track error range is 0.20 miles.
If the present position symbol touches the right cross track error line,
then you are 0.20 miles to the right of the desired course. You need to
Destination
name
Navigation
information
displays
in data boxes
Bearing
arrow
Cross track
error range
(off course
indicator)
Magenta
trail line
Red course line
Heading arrow
Summary of Contents for IntelliMap 640C
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