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Old 01-29-2019, 04:13 PM
Join Date: Oct 2008
Posts: 112
Default Dynon 74 Autopilot and 496 are not interfaced


Recently updated my D-180 software to the latest version and now the autopilot does not interface for navigation. The Nav and Track buttons do not light up when pressed. Heading and altitude functions are OK.
I set the unit to output NMEA data as called out in handbook (page 124) but no go.
What should the setting be?

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Old 01-29-2019, 06:44 PM
RV10inOz's Avatar
RV10inOz RV10inOz is offline
Join Date: May 2008
Location: Brisbane Qld. Aust.
Posts: 2,178

Check your servo's have power, do a DSAB network configure and then do a AP servo calibration.

GPS needs to be in NMEA and Normal
Serial input needs to be Auto.

You need Satellites to be in view.

David Brown

DYNON Authorised Dealer and Installer

The two best investments you can make, by any financial test, an EMS and APS!
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Old 01-30-2019, 12:22 PM
bobg56 bobg56 is offline
Join Date: Nov 2018
Location: Peachtree City, GA
Posts: 63

Had the same thing happen to me, check to see if your GPS has Nema out, Aviation/VHF...there is a thread on this that I started, mine was a Garmin 495 that I updated as per Dynon instructions, they say to have your GPS set to the latest some how defaulted so I had to add it again...go to your settings menu on GPS.
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