_IFD Interface with Garmin GTX330ES Transponder_ _RS232 Config Page_ [![][1]][2] [1]: https://hf-files-oregon.s3.amazonaws.com/hdpavidynesupport_kb_attachments/2021/02-08/3bc062ad-22f1-40e9-a92f-dbf1f62fc0ba/AviQuiz_Logo.JPG [2]: https://forms.gle/oqd2JfPNZ8hjpbjS7 ...