Nmea And Northstar Data - Honeywell KMD-150 Pilot's Manual

Data Input
Important Note for Garmin GPS Users
Although Garmin products output the Bendix/King equivalent ARNAV R-
30 (RS232) data sentence format, when put into OBS Mode some
Garmin GPS units stop sending all data including GPS position. In these
circumstances your KMD 150 will display an error message saying NO
EXTERNAL GPS DATA since it is not receiving present position.
In the case of DME arcs, turns and holds, some Garmin GPS units send
the flight plan information as if there was no arc or curved flight path.
Therefore the KMD 150 has no option but to connect the beginning and
end waypoints of the arc or curve with a straight line. Under these cir-
cumstances the line on the KMD 150 MUST BE IGNORED.

NMEA AND NORTHSTAR DATA

If the host GPS is outputting NMEA data or Northstar M3 binary data, no
flight plan information will be displayed on the KMD 150. The information
appearing on the KMD 150 will be limited to present position, track and
ground speed.
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Rev 1 Mar/2000
KMD 150 Pilot's Guide