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Sunfish - just some added info to Galins post - On the ground aircraft lateral leveling is essential, then use a short digital level on the ADAHRS (I aim for .1 of a degree). Also have the ADAHRS perpendicular to the longitudinal Axis of the aircraft. AFTER that is done then 1. make sure the...

“I have Revision P Sept 2013 and Section 3-10 of Basic Skyview Display Operation” Why would you use that version when this is 7 years later ? First rule especially when troubleshooting is to make sure you have the latest available software & install manual, then ask questions if you still are...

It’s in the manuals, do not use ‘current fault’ with the Dynon Pitot System ;).

Fly it & find out - do you really need an excuse to fly ? :)

Some confusion here ? Just thought I'd add my experience. I usually use a 'hub' 25 pin pass through system & connect both displays to it -have been doing that on installs for years without any 'issues' - audio all good, with only 1 audio output to audio system.

The 2020 gps will work & give what you may want, PM me for more detail.

It’s amazing how helpful a picture is for troubleshoot :) - the place you need to be looking is in the EMS 20/50/100% & engine band pages. click on sensors & a list will come up with an asterisk alongside those that are active. PM me if you want & we can discuss.

my reading is that we use EB2 if Mode S & ADSB IN & OUT - its different ICAO rules up north ? ;)

Agreed airguy - that is the main reason that some companies get Trig & PS-ENGineering & others to rebrand for them. Why spend the time/effort/cost when you can buy excellent proven products off the shelf?

I'm stumped too, having issues with both brands is not nice, IF there was a product problem then there would be a lot more 'talk' on forums IMO. Is it possible that magnetic tools eg screwdrivers were being used to install the magnetometers/ADAHRS units in your cases ? BTW - I've done...

Thanks, got it. If you don’t fly it you’ll maybe never know - come on, you know you want to fly ;)

From my experience if it's not too far off then the inflight cal will fix that. Is the that the ADAHRS network connector on the forward side of the unit ? if so then it's reversed to what it should be - the picture I'm seeing is not clear enough. I don't see the Static, Pitot or AOA lines...

Marc - with respect, I think there is something going on in your case that is causing the issues you’ve had. My comments are based on experience with ~ 50 RVs installs, never had 1 compass calibration fail & my own aircraft as well as others I’ve done are composite too.

All bets are off until after you do the inflight calibration - the precision after that is amazing. Just throw it around in left/right hand orbits until you are well over the 100 on the counter, you will be rewarded.

Sensor bad is unlikely IF it's the Ray Allen POS-12, unless it has been damaged. A picture of the sensor install would/could be very helpful. Is the sensor wired to operate via an EFIS ? which brand ?, or via a bus system like the VP-X ?

# 1 - it's always your choice - there's a school of thought that says get the best you can afford. I've had the Classic system & now have the HDX for the last 200+ hrs & never regretted it. # 2 Negative, you don't need the Gps 2020 as the 'approved' position source for ADSB OUT can be via a Tso...

FWIW - the serial (2 wire) cable can be twisted or a shielded pair, which is also twisted by default - all standard industry practice. Safer to do it That way ;)

Yes, serial number is on the invoice normally. just out of curiosity - who wants that info ? SAAA, CASA ? Model & part number I can understand but requiring serial is something Ive not come across.

They are not exactly the same thing - The Dynon version of the Trig does not have the inbuilt encoder & there are other internal differences that preclude what you are trying to do. You could sell the Trig transponder & free up some panel space that way as well ;).

Sure can ! When it's done to the VPX you then need to to setup the EMS display & 'accept' the VPX widget/s. Jake Jansen