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Aspen ACU air data to IFD
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: To get around that, you will need to bypass the ACU with additional wiring to the IFD per their installation manual:
IFD Interfaced with Aspen EFD1000
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
