I am new to "good" metal detectors, but I have had quite a few cheap ones. I now have a Whites XLT that doesnt seem to find much. I have had cheaper ones that have found a lot of coins, rings, etc. I am usually hunting in areas that would probably produce older coins and possibly rings. Does anyone know if maybe there is something wrong with it. I can put a quarter on the ground and it will find it, but not much for hits where you think you would get at least something. Any thoughts on what may be wrong or a way to check the sensativity of the unit. Maybe I am looking in dead areas, but I have tried a bunch of different ones. My friend lost a necklace and asked me to find it. I did find it but it took me two hours, and I went over where it was many times and it didnt pick it up. Any help would be appreciated. Metro