There are not many things to knock about my AF3500. I love the darn thing and have over 200 hours on it now. One big mystery to me is the fact that it likes to beep periodically without anything to tell you why it beeped. Two quick beeps in succession - you know the beeps. Please, super secret warning beeps are useless. I have deduced at least one set of these mystery beeps to be a warning that I'm reaching my target altitude in the FD.

- Is this the only mystery beep or are there others?
- Is this on the radar to be fixed? Please either replace the beep with the robot lady voice or at least flash the alt bug (or something appropriate for the given mystery beep).

Thanks!