_Intro to IFD Interfaces with EFIS Systems_ _IFD Interfaced with Aspen EFD1000_ _Troubleshooting IFD Interfaces with EFIS Systems_ _Main ARINC429 Config Page_ _VOR/ILS 429 Configuration Page_ [![][1]][2] [1]: https://hf-files-oregon.s3.amazonaws.com/hdpavidynesupport_kb_attachments/2021/02-03...
When an IFD is interfaced with an Aspen, if it has an ACU installed and NOT an ACU 2 , then the labels for air data are stripped out: ![][1] To get around that, you will need to bypass the ACU with additional wiring to the IFD per their installation manual: ![][2] [1]: /get_hdp_inline_attachment/266...