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NOTES
TERMINOLOGY
The following terms are used throughout the manual, and are standard
terminology among treasure hunters.
ELIMINATION
Reference to a metal being "eliminated" means that the detector will not emit
a tone, nor light up an indicator, when a specified object passes through the
searchcoil’s detection field.
DISCRIMINATION
When the detector emits different tones for different types of metals, and when
the detector "eliminates" certain metals, we refer to this as the detector
"discriminating" among different types of metals.
Discrimination is an essential feature of professional metal detectors.
Discrimination allows the user to ignore trash and other undesirable objects.
RELIC
A relic is an object of interest by reason of its age or its association with the past.
Many relics are made of iron, but can also be made of bronze or precious
metals.
IRON
Iron is a common, low-grade metal that is an undesirable target in certain
metal detecting applications. Examples of undesirable iron objects are old
cans, pipes, bolts and nails.
Sometimes, the desired target is made of iron. Property markers, for instance,
contain iron. Valuable relics can also be composed of iron; cannon balls, old
armaments, and parts of old structures and vehicles can also be composed of
iron.
FERROUS
Metals which are made of, or contain, iron.
PINPOINTING
Pinpointing is the process of finding the exact location of a buried object. Long-
buried metals can appear to the eye exactly like the surrounding soil, and can
therefore be very hard to isolate from the soil.
PULL-TABS
Discarded pull-tabs from beverage containers are an especially
bothersome trash item for treasure hunters. They come in many different
shapes and sizes. Pull-tabs can be eliminated from detection, but some
other valuable objects can have a magnetic signature similar to pull-tabs,
and will also be eliminated when discriminating out pull-tabs.
GROUND BALANCE
Ground Balancing is the ability of the detector to ignore, or "see through" the
earth’s naturally occurring minerals, and only sound a tone when a metal object
is detected. The Gold Bug incorporates proprietary circuitry and programming to
eliminate false signals from severe ground conditions.
F4manual-SPREADS(24pg).qx_MF4B-F4manual 4/2/15 12:29 PM Page 3
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