I'm not with Laminar Research, just a fellow simmer in the UK, but if you click on the following URL, I have prepared a couple of PowerPoint slides showing you how to map joystick and throttle buttons:- http://questions.x-plane.com/?qa=blob&qa_blobid=1499223681662790408
The same method should be possible for your CH Eclipse yolk.
If I have misunderstood your requirements, please advise and I'll try to help further?
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