I am not using autoconnect *or* autodisconnect.

And, by the way, this does not turn off the bluetooth. Let me give you a use case example. I'm driving down the road, listening to a podcast through the fmtx, when the traffic report comes on. I pause the podcast, flip to the traffic and weather report, which lasts 1-2 minutes. When I restart the podcast, either through the bluetooth headset's pause/play or from the media player's controls on the N900, it is playing through the bluetooth headset, because the fmtx has shut off.

If I were to leave it on the frequency of the fmtx, for the first minute or so, you hear the beep--beep--beep of the fmtx waiting for input, then the wash of static. The difference is that when the n900 pairing with the bluetooth headset is active, when the static starts, the fmtx has turned itself off. However, if they are not actively paired, restarting the media will restart the fmtx without interaction for a much longer period. Does that make sense?