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  1. M

    HDX displays not recognizing Dynon adapters

    I had small (I think white, but they are behind the panel and I haven't seen them for a long time) plugin adapters that I inserted on the back side of each of my screens
  2. M

    HDX displays not recognizing Dynon adapters

    OK, that is required. You also inserted them before startup which would have been my other remark. In my case they just worked after that
  3. M

    HDX displays not recognizing Dynon adapters

    where did you plug in the adapters, in one of the two receptables on the back of the display or on another connector?
  4. M

    Dynon SV1000 with garmin GTR225 - Interface issue

    True push to talk is not affecting anything. But it activates the transmit function of the radio which in normal cases makes the radio pull much more current, which might increase the voltage drop over the power lines of the radio, This in turn (depending on how all the system gounds meet at the...
  5. M

    What has happened to my my maps?

    The weather overlay is activated and the unit has not yet received any ADSB weather data. Go to Map options and deselect the weather overlay and all will be back to normal. NOte the weather overlay is activated separately for both displays
  6. M

    A/P initial setup

    Are you powering up your system with the servo's powered? Have you run the network discovery? Have you ensured that the servo's have been updated with the latest software that you are running on your system?
  7. M

    troubleshooting electrical issue - Dynon EMS readings don’t add up

    The shunt is connected via two wires to the EMS, these wires normally include a fuse in each wire, it might be that your short blew one of these fuses
  8. M

    Avidyne gps will not show position on map

    Did you define the 540 as a position source, via the serial line on the ARINC interface?
  9. M

    EMS and EarthX remote sensor wire

    Are you sure, the different alarm conditions from the EarthX battery are encoded in different flash rates of the lamp/LED,
  10. M

    Plate info on primary and secondary displays

    For the US customers the monthly updated NAV and Obstacle databases are provided free by Dynon (and nowadays also included in the downloaded map and plates data that for a fee can be obtained from Seattle Avionics), I know that that is different for users in other countries, but was assuming...
  11. M

    Plate info on primary and secondary displays

    This is the basis for your answer: So fo rthe NAV and Obstacle databases (the free one that you can et from Dynon, only a single drive is needed and the Ethernet cable distrbutes the insternally in the display stored databases to all the connected displays. The other maps and plates as you...
  12. M

    ARINC-429 Offline

    You are referring to the cables as "RS232 DB-9 cables", but note that the Dynon network cables are NOT standard RS232 cables. The specification for the Dynon databus cables are found in the installation manual and involve specific signals and return lines from the DB-9 connector to be twisted...
  13. M

    track and heading wander

    Besidesthe Dynon installation and user manuals which you should have at leased 'browsed' through as a user of the plane with Dynon displays (and hopeful full wiring diagrams), try to get a good understanding what exactly is installed in your plane and how it is configured for your specific...
  14. M

    track and heading wander

    Please provide more information. Is this the first use of the autpilot, or did it work before. Autopilot operations have a large number of parameter to configure the autopilot operations to the specific platform (plane). There is a Dynon guideline for this process.
  15. M

    VPX Data to D37 harnass

    Yes, and in this kind of setup you would want to connect the shield on one side to ground, a not-connected shield (electrically floating), does not provide the shielding that you are trying to achieve by using shielded cables. So in this setup using a 3-conductor cable with shielding is the...
  16. M

    VPX Data to D37 harnass

    In the wiring example you see the different variants in the connection. If a ground is added as the thrid wire in the bundle then you can connect it either to 21 or 22. 23 can also be used as it it a direct ground connection on the Dynon Display, but is has a default assignment as backup battery...
  17. M

    VPX Data to D37 harnass

    For the 37-pin connector both pins 1 and 2 go to the fuse of the 12V supply and both the pins 21 and 22 are connected to avionics ground, this takes care of the power supply to the Dynon display. You can connected the ground of the serial interface. Connecting the shield to the ground either add...
  18. M

    Level feature pitching up

    A question, the pilot;s User Manual says: Press the LEVEL button to engage the autopilot in Level mode. For safety in emergency situations, subsequent presses of the LEVEL button do not disengage level mode (unlike other AP mode switches). The level button transitions to 'STRAIGHT' mode which...
  19. M

    Fuel Pressure Transducer Location

    Some considerations: - On the engine - Getting all engine vibrations, pressure sensor might die early, - In front of the firewall (not on engine) - Vibrations reduced, still exposed to the hot environment, but the advantage is all pressurized full remains in front of the firewall, EMS wiring...
  20. M

    HDX level soft key

    I think there is a note regarding using a single button for multiple displays, that states that there should be diodes in line for each of the displays so that if one display is powered off that the level button still works on the other display.
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