Yes, I haven't played with that function, but I remember about a blog, that mentioned something:

copy and paste:( version 6.6)

The key to making this feature work is to make sure the first direction of travel is forward after starting the display and getting a GPS fix.

here's the blog page:

http://www.agleader.com/blog/fall-display-firmware-is-now-released/

Note: Maybe we need to play attention to that "very first direction of travel" when I first pull out of the shed, and get the display turned on.

Edit: I've had my sprayer booms/sections do that to me also, when the Ag Leader "arrow" was backwards.