An update here - we're going to be taking another crack at a fix for this issue.........
See my post in the other thread for my experience with the beta software. Thanks for continuing to look at this issue. That's good customer support!
An update here - we're going to be taking another crack at a fix for this issue.........
Same, loses NAV Source several times in 30 min flight. This is pretty darn frustrating. Its seems as though it couples in NAV mode and wants to work but then goes lame searching 90 degrees either side of course. Even after being on course it will just start meandering around in all modes, including heading. Then there are times it works a few minutes. Or is it really working? Please explain what the roll servo slipping indication looks like and where. How can I tell if I have SV52s by looking on the screen. Is it possible slippage is the problem even with 52s? Maybe I need to arm variant and linkage hole. The airplane is a RANS S-19 ELSA.. Sorry for all the questions, I just searching for a clue.
I found it...success....My Servos were 2007 mfg and the log data I sent in to Dynon indicated slippages...they changed them out for me with new restored ones and they really work as designed....I am so happy flying around with confidence by my Ap74 heading and Alt bugs...what a joy after a year and half chasing clues...It took Garmin to add data sentences to my GDU375 so it could couple with the Dynon Ap74 and D100....And Dynon beta 5.5v....with the new servos....I'm really happy....
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You are seeing a very different issue than the one we are attempting to fix. The general issue is that the AP switches from NAV to TRK mode, but the pilot never sees the CDI go away, and pressing NAV takes them right back. The dropout is very quick.
Your situation of missing data for minutes on end seems to be unique. If the CDI is not displayed, then this is not an AP issue, it's a general connection issue, and we need to troubleshoot that before we worry about the AP.
First and foremost, what is connected to the D100? You mention the 696 is connected to the D120, so I wonder what is on the D100.
What firmware is on the 696? What mode is the serial port output in for advanced NMEA setup?
Any other changes you can think of between it working and not besides the update to 5.5RC1? I note you would have needed to disconnect the 696 from the D120's serial port in order to upgrade the D120, any chance a mechanical wiring issue was introduced?