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Sea Hunter Threshold Tone


New member
I've been MDing since 1974, but always with a VLF detector. I live on the Gulf Coast and do a lot of saltwater detecting using an Equinox, which works perfectly. However I thought I would like to try a PI detector. So I purchased a Sea Hunter Mark 2. In Standard mode, the threshold tone is very unstable, even set on zero. In Discrete mode the threshold is very stable and normal. My question: "Is the unstable tone in Standard mode normal, or is the detector defective?"


Well-known member
That's how mine did, and some suggested I turn up discrimination up some to stop it .