First, I have been testing my 9500i with the GPS off right now after a recent bad lockout of actual police radar. I always used my x50 in City with loX when im in the city. I have only seen one legit X band in the area in the last few years but it is still a risk. Well, you cannot do loX on the 9500i but whatever... I have just been driving in City mode (you cannot do scanning +/- either which is annoying but oh well). The 9500i in city mode does seem to reduce the X a little (probably comparable to the X50 with full X on in city mode).
Anyhow, here is what happened in city mode w/o GPS:
The other night I made a late night trip to the local grocery store. Parked right next to the door, alerting 4-5 bars or so of K band. I mute it, leave it on, and go inside (it is hardwired to a constant source). I come back out get in the car and it is silent, no flashing red light, no K band on the display, just the scanning dot. I start the car and drive right up to the door, almost on the sidewalk... nothing. I push the mode button (which puts it in highway first, I believe) and it immediately jumps to 10bars, I toggle back through to city and it of course stays at 10 bars.
Any ideas what happened here? Is there some good reason why it would ignore the signal after [lets say] 5 minutes of half stregth constant signal?
Maybe I just have a questionable detector and it should be exchanged. The other day I saw a flash of red before it beeped, also with GPS off. Which kind of made me glad I mounted the smarcord where I can finally see it clearly.