Garrett Metal Detectors Sea Hunter Mark II None - Manual (Page 19)

line (not a wide arc); it helps keep the
searchcoil level, reduces the likelihood of
lifting the searchcoil at the end of each
sweep and ensures the overlap sweeps
remain uniform.
Finally, it is important to remember that
any detection signal, no matter how
loud or faint, represents the sound of
metal and its source should always be
determined.
As with all PI detectors, eliminating iron
materials while in either mode is difficult
if not impossible. However, attaching a
magnet to the inside of your digging tool
can help separate bits of iron and other
debris from your treasure finds.
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