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2. Stop the search coil directly over this spot on the ground. Then move the
search coil straight forward away from you and straight back toward you a
couple of times. Make a visual note of the exact spot on the ground where
the detector beeps.
3. Repeat Steps 1-2 at a right angle to the original searchline, making an „X"
pattern. The target should be directly below the „X" at the point of the
loudest response.
I nfo
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If trash in an area is so heavy that you get false signals, slow your
sweep speed and use shorter sweeps.
»
Recently buried coins might not respond the same as coins buried for a long period of
time because of oxidation.
»
Some nails, nuts, bolts, and other iron objects (such as old bottle caps) oxidize and create a
„halo" effect. A halo effect is caused by a mixture of natural elements in the ground and the
oxidation created by different metals. Because of the metal mixtures, target signals might
not be in a „fixed" position. This effect makes these objects very hard to detect accurately.
7.10 IMPORTANT INFORMATION ON USE
∙
Various factors can influence an accurate result:
•
The angle of the metal lying in the ground
•
The depth of the metal
•
The degree of oxidation of the metal
•
The size of the metal
•
Electromagnetic and electrical interference in the vicinity
•
Metal objects in the vicinity
∙
Areas with highly mineralised or wet soil may cause the unit to indicate a find even though no
metal is present. Use the discrimination control (6) there and increase the distance between
the ground and the search coil.
∙
The device is splash-proof. If possible, avoid use in wet areas.
∙
The detector responds with a strong signal when it detects most valuable metal objects. If a
signal does not repeat after you sweep the search coil over the target a few times, the target
is probably junk metal. Try to find other metal in the area. When the signal tone ends, you must
wait a few seconds before continuing the search.
N OTICE
Do not submerge the device in water or other liquids. There is a risk of a short circuit.
8
CLEANING
N OTICE
»
Do not use aggressive solvents/cleaning agents, brushes, sharp objects or
similar for cleaning. These can damage the surface.
»
Do not submerge the device in water or other liquids. There is a risk of a short
circuit.
Clean the device with a damp cloth if it is dirty.
18
INSTRUCTION MANUAL HD 3500
82210 -01.2023 - V5
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