Today after all I had a stable detector, it is all from Ground Balance, you really need to get a clean spot and GB no matter how hot you run and the detector its stable after that. I really enjoyed the hunt today after that I just raised the volume and threshold only and I had a narrow signal even if Recovery Delay was at 80 and that was a very tiny silver coin exactly as the size of G for the word Ground. GB is mainly the reason for a noisy detector and then there comes a signal such a small thing and you know that is something and not a ''false signal''.