I have a GTN 750 Navigator Tru-Trak AP WITH ARINC installed with a AF3400 EFIS. I have flown this combination successfully without issue. That is, approaches and just general navigation.
One thing I noticed recently, and I have not done this in the past, was to have a navigation course set and try to intercept an active leg by going into Lat/Arm mode and steer a course to intercept the active leg, but it blew right through the leg.
Am I doing something wrong, or is there a sequence of steps I missed.