Piper J3
Well Known Member
I bought my RV-12 flying from the original builder and now discover that the GTX 327 transponder is not displaying Flight Level in VFR ALT mode. I assume the altitude information is derived from the Dynon D-180 and maybe the two units are just not ?talking? to one another. Hopeful thinking on my part. Does anyone know how I can check if either or both units are set up correctly?
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