Detected an area that has a history of producing gold including small nuggets -- and have found pickers and larger yet small nuggets in my sluice here in past years with predictable confidence of finding more if put in the energy/ time -- but has a lot of ferrous trash above and below surface, and high mineralization. Experienced difficulty with the GB/ threshold and/or volume of the ATX. Did 4 resets -- factory reset 1st, then a freq scan, and then a GB readjustment, in that order -- trying to