The issue is: we added a lot of functionality in the F/A-18 that wasn't initially planned. Some make it into the final version just days before closing the beta, like the AI radar, for example. That's why Microsoft didn't had a lot of time writing a proper manual for it.
Would have you preferred not having the unplanned features in the first place, so it would better fit the usually sparse documentation for the flight sim product ?
This forum is just a complimentary service to users, we opened it so people that would want to use the airplane to the fullest, might find some anwers. Don't forget that the F/A-18 it's just part of the whole Acceleration product, and not everyone is interested in all the details.