I have been on and off the bus for ten years (now on).
Because we have some old busses with the radial press dial and no detent I always look at the press page to ensure I see "AUTO" by landing elevation.
As to what it is supposed to display?
I have seen the correct landing elevation before alignment is complete, I have seen take off altitude after alignment is complete, and I have seen many numbers in between, both during and after alignment.
I am assuming that there must be several different software standards for this system.
My advise: Check to ensure it displays AUTO. Sometime after climbing past 8000AFE (Or anytime before commencing the decent) check to see if the correct landing elevation is displayed.