Garrett Sea Hunter Mark II None, Owner'S Manual

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materials of unwanted or hazardous metal
items. Metal detectors have been used
to find a variety of hidden items, such
as pipes, scrap metal, nails embedded
in lumber, underground electrical power
cables and oil barrels.
Select zero discrimination - When used
for the purposes of law enforcement or
industry, the Sea Hunter Mark II , or any
metal detector for that matter, usually
requires little or no discrimination.
underwater searches - The
Sea Hunter
Mark II can locate both ferrous and
non ferrous metals concealed within and
below aquatic growth from bottom soil
and rocks, wood and other non-metallic
materials. Large items such as boats,
motors and safes can be located several
feet below the searchcoil. Locating
small, isolated items is more difficult and
requires a comprehensive grid search
with the detector.