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  1. M

    HDX support for on/off sensors?

    Why not just install a third fuel level sender, just like in the wing tanks, and measure the level in the header? Then you can set your alarms so that when you get 1/2 gallon below the top of the header tank, it goes red and starts yelling at you, and you ALSO get a full range indication of...
  2. M

    New to Dynon

    There is no regulation requiring an ILS and localizer approach for an instrument rating. There's a requirement for demonstrating three approaches - two non-precision, and one precision. See Appendix 7 of the Instrument Airman Certification Standards...
  3. M

    New to Dynon

    Why is a 175 not ideal for training? If that's what you want to use for the future, it would be what you'd want to train on. Why spend an extra $7K unnecessarily? The 175 is legal for IFR flight, and legal to train on, and legal to take the test on, since you can do three different types of GPS...
  4. M

    Unofficial Dynon Skyview Update Script for MacOS

    Well, if I type "curl --version" at the command line, it gives me the version info, so it looks like it :-).
  5. M

    Unofficial Dynon Skyview Update Script for MacOS

    Any chance of having a script that doesn't require downloading development software (WGET and all the things required to make that work) to use? I have a dead stock 15" Macbook Pro from Early 2013 running Catalina (10.15.7). Tried to install WGET and fell down that rabbit hole - gave up...
  6. M

    HDX Audio Alerts - Only Very Faint

    I would venture a guess that the volume control you're looking for is in your PS Engineering Audio Panel (you don't say which one you have). You'd need to know which input is being used to feed audio from the HDX to the AP, and then adjust the audio in the panel. Just a guess.
  7. M

    Pitch Oscillations

    Yes. Any play or hysteresis in a feedback system can cause oscillations. To the extent possible, removing play and hysteresis is a good thing.
  8. M

    How do I turn off audible terrain warning?

    There's nothing in the v15 install manual about audio terrain alerts that I could find, and my HDX system doesn't give them (and I certainly don't recall turning them off during setup). The Garmin G3X, however, DOES do audio terrain alerts, and it's annoying as hell, given that I live in...
  9. M

    Skyview Bus Architecture?

    Bud, go here: http://www.aeroelectric.com/ and read Bob's stuff. The Book is available as a PDF here: http://www.aeroelectric.com/Catalog/pub/pub.html but I also recommend spending the $$$ to get the paper version, if for no other reason than to support Bob. In the book, Bob has a bunch of...
  10. M

    Skyview Bus Architecture?

    You cannot go wrong choosing the Nuckolls architecture (Z drawing) that fits your mission profile.
  11. M

    Engage Altitude Hold only

    In Simplified mode, it seems so, yes. In Expert mode, you can turn on "Alt. Hold" only - don't need to turn on both - without turning on any roll related control. Or vice versa - turn on track without alt. hold, etc.
  12. M

    Swap HDX Left / Right Knob Functions?

    It sure as heck sounds like it, and now that I know what I'm looking for, there it is in the Pilot's Users Guide. Thanks a million - I knew I had seen it somewhere!
  13. M

    Swap HDX Left / Right Knob Functions?

    I thought I tried that to see if it would move with the map, but I don't recall that it did. I'll have to try it again. But if I want the map knob on the left when the map is FULL screen, then what? It seems to always have it on the right... Like I said, I thought I saw somewhere that you could...
  14. M

    Swap HDX Left / Right Knob Functions?

    So I may be hallucinating, but I swore that I saw somewhere (rev. 15.4.7, IIRC) that I could swap the knob functions so that the MAP knob would be on the left and the BARO/etc. knob would be on the right. I've searched the Menu, Display, and Setup screens, as well as scoured the Installation...
  15. M

    Autopilot Wallowing

    You explicitly said "The Autopilot has the default settings" which implies that you didn't "tune" anything during the tuning process. Some of the parameters will help with maintaining track without oscillating back and forth (I assume just a few degrees).
  16. M

    Autopilot Wallowing

    What's your definition of "wallow", and it sounds like you haven't gone through the Autopilot Tuning Procedure yet...
  17. M

    Help me decide on a backup

    I have essentially the same thing (slightly modified Nuckolls Z-14, IIRC) in my COZY MKIV - two HDX's, two ADAHRS, no backup batteries since I have dual buses and dual alternators with a cross-tie. I agree that what you have is WAY better than a plane with a single electrical bus and vacuum...
  18. M

    Help me decide on a backup

    The OP stated that he had dual displays but a single ADAHRS. Failure analysis is complex, and what you're shooting for depends on the mission you have. The OP currently has no redundancy with respect to ADAHRS's. They could install an SV-ADAHRS-201 as a backup (and have a backup battery for each...
  19. M

    GRT CS-01 Installation (Number of Loops?)

    No loops. The wire just goes through the coil - that's it.
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