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DirtDean said:This works great for scanning in air, but as we know everthing changes in the ground. i placed two rusty nails about eight inches apart in line with eachother, and adjusted iron mask just to the point where they would null out. then i placed a silver merc in between them. clear, definite silver response audio, but the numbers read 26-32 Fe, 45-46 Co. never once did it register even close to eleven or twelve Fe. How many coins have been passed up because I, we trusted the Fe numbers thinking it was just high conductive iron? then i adjusted iron mask from 33 to 27 and it nocked out the coin altogether. I am rethinking the way i use disc patterns and will be digging a lot more junk. Does the explorers also have this problem or do they actually offer TRUE discrimination? DEAN
jbow said:I really hate that some of the best coins fall in the low 20s and high 30s... but that's the way it is. I love this detector!
J