_IFD Interface with Garmin GTX335 Transponder_ _RS232 Config Page_ [![][1]][2] [1]: https://hf-files-oregon.s3.amazonaws.com/hdpavidynesupport_kb_attachments/2021/02-08/fb97971b-9df7-4938-8858-bab4d70a02e0/AviQuiz_Logo.JPG [2]: https://forms.gle/ip1oqztLCocD8r3J8 ...