Went fresh water hunting today with my Kruzer and 7" concentric coil. Was using 3 tone, 88 sens, 0 disc, 0 notch, vol 2. Every time I got a surface target such as a pulltab or bottle cap I got an overload signal. If it was just a very small piece of foil, it didn't overload. Was just wondering if this is normal? Do I have to lower my sens to avoid it overloading? It really doesn't bother me that much, but have never had a detector that overloads on coin sized targets. Thanks
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