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I going through the set up process with a 3500 with the 4500 processor (is this just a 4500?) a VPX pro and Garmin GNS430w. I was successfully able to get the EFIS to recognize the vpx-pro but not the Arinc. In the "about" section no version is stated. I think version 4.0 is needed.
Is this a set up problem or do I need to load this software separately or something else?
If no version is stated, the unit is not connecting to the ARINC adapter. Have you verified the ARINC adapter is getting power? Have you double-checked the three serial wires that go from the ARINC adapter connector to the EFIS serial port? Is that serial port configured for ARINC in the EFIS settings? Are you making sure you are checking the version number on the screen that the ARINC adapter is actually wired to (won't show the version on a networked unit)?