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Experienced a similar event on a new HDX install with about 100 hours on the Hobbs. This happened during runup. Rebooted twice with a Sysevent 20 and a Sysevent 21, then resumed normal operations. What I was able to glean from tech support is that a Sysevent 20 is a software generated event...

I upgraded my RV-8 this year to a dual Dynon HDX Skyview system and used The Dynon Fast Track universal mounting trays. With the exception of the ADAHRS, I was able to mount all the Skyview components behind each screen. The ADAHRS was mounted in the rear of the fuselage. Not all RVs can...

Transponder errors are listed in the Skyview installation manual. Get a copy of the Skyview Installation manual that is appropriate for your model. From the manual: TX POWER LOW (value) Transmit power output is low; value is Power output. Generally, an installation issue with antenna...

There is an elusive bug in the Skyview system that results in a black screen. Speculation is that it is associated with screen swaps and Reversion mode. Dynon recommends that you disable Reversion mode when using multiple monitors. Related post...

This is a known bug. Reference the following post for fix: https://forum.flydynon.com/threads/hdx-newbie-screwup.14844/#post-86851

I get it, but I don't like it, particularly when your new PFD reboots in flight. Some system event codes are well defined. I.E. "System Event 5 indicates that the SkyView display's internal Solid State Disk (SSD) is experiencing an abnormal number of errors, and thus should be replaced."...

My wingman just installed a new Dynon Skyview HDX panel. I was in the plane with him last weekend and we experienced the same event during runup. It rebooted twice, then it was okay. We also experienced a system event 3 when trying to export some waypoints. We believe we can reproduce the...

I think you are on the right track looking for loose connectors. Any thoughts on why the antenna cable was loose? To help quantify the frequency of com radio loss, I would download the alert log file and review the type and frequency of alerts. I.E. I.E. Alert Type (Audio/Text) Action...

Good luck. FWIW, this is what worked for me. I would still place a call to Dynon. Capacitor

All DC motors produce noise. Some are more egregious than others. I've addressed this problem on two occasions. The problem can be addressed by installing a noise suppression capacitor across the motor terminals, as close to the motor as possible. I have one on my flap motor and one on my...

I only have a few hours on my panel but I believe when you change the squelch setting by pressing the volume knob, an indicator will be temporarily displayed in the comm panel window that reflects the squelch setting.

Hmmm...... If you connect the same cable and antenna to the Icom A200 you get no static. If you connect the same cable and antenna to the Dynon radio, you get static. If this is the case, could the Dynon squelch be Inop?

Your tests with connecting/disconnecting the cable and trying a new cable imply that the noise you are hearing is being generated external to the device. You also noted that the RX indicator is illuminated when hearing the static which would also imply the noise you are hearing is being...

The user data logs contain ADAHR elements. Do they contain any useful sensor failure info, either on the prior good flight, or current bad ground run up?

It would be highly unusual to have all sensors in both units fail simultaneously. Where are the ADAHR units installed in the aircraft? Could dynamic magnetic fields be causing these failures?

Can't go wrong with Steinair (if you can get in).

S O L D ! ! Aircraft grade Tefzel® - wiring with DB9 female connectors installed at both ends, 3’ length overall. The red band on the cable indicates a successful bench test by Dynon. Left over from my recent Dual HDX panel upgrade. Price: $35 plus $10 shipping, priority mail. Payment...

Yes from the installation manual.... <snip> All servos must be properly networked into the SkyView system and IAS tape colors / v-speeds must be configured prior to any servo calibration, testing, or tuning. Reference the Network Setup and Status Section for instructions on how to network the...

That is a known bug in the system. Contact Dynon Tech support and they will send you a file to restore the screen. It is an elusive bug that seems to be related to swapping screens. No one has been able to recreate it. Speculation is that having Reversion Mode enabled might induce the...

Agreed. I tired 8 times and only got it to work once in the hangar today. I tried originating the request from both the PFD and MFD. No joy. It was nice when it did work. I was able to to fill the entire screen with the plate.