I've been having issues ever since I got my BelRX65 a few weeks ago and I may have figured out the cause. I don't think it is working properly with the HARD system which is a very well known wireless system for motorcyclists made for the V1, Escort and Beltronics models.
What happens when using the HARD system is that after getting a first alert the detector just goes psycho and starts cycling up and down and displays bars in correlation. I have to power it off to clear this out.
However, if I run the detector without the HARD or run it in my car it purs like a kitten - it's perfect. Then I can attach the HARD transmitter in the car and the problem shows up again.
My question is, is there anyone else here using the BelRX65 with the HARD system and does it work? My firmware is 6.1.
I have a theory. It may be the voice alerts. I am going to try turning them off. I'll see if I can test this tonight.