Could be merely "extra" Function Points on a same-piece of circuit board that was also used in other radios which had those functions as a feature. Doubtful that they installed parts for a feature such as roger beeps, and then not go all the way to connect them and have it as a feature on the radio. Waste of parts. Just speculating here ...
For base use, there are a variety of amplified desk mics out there that have roger beeps built into them.
Well they didn't put a switch in for 10khz jump but it was on the board already. Kind of why I'm curious. If they are there, be worth hooking them up just to hear what they are. I never used a roger beep before this radio not about to start but if that is an option in it may as well use it.