On the current Non-S 3400, I noticed that some routes I select on the Garmin 400W display a course line on the 4500, but nothing on the 3400, seems to be about 50%, is there an error .
When I selected 7S5 to 3S8, no lubber line on the 3400. When selecting 3S8 to 7S5, the lubber line appeared. And yes, I did have the 3400 map settings on GNAV1. Hopefully it will fix itself with the next map version. Anybody else have this problem?