If there is a link to this question then you can send me there- did do search but could not find exact answer.
First- I am total newb to radar detector.
I bought the Escort 8500 x50 and took a 16 round trip to DC.
I passed 10 different cop cars along the side of the road. My detector, before, during, or after never went off. I have it set to auto.
I have tested it and it works so I am sure it is not the detector.
In one instance I pass the cop and I saw him get out and motion a car three lengths behind me over.
So the question is what is going on. Given the fact my detector works, what are some of the explanations for this?