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(4) The right pattern of motion
Try to maintain a steady pace of swinging. Jerky movements may prevent
the detector from being able to probe the ground quickly enough. Hold the
search coil parallel to the ground, not at an angle. Move in a constant slow
motion.
(5) Metal detection by pitch
With detection, sound is sometimes more helpful than looking at the
screen. There are four pitches that will help you recognize what kind of
metal has been discovered:
• Low pitch: ferrous metals such as iron, lids, etc.
• Medium-low pitch: pull tabs, 10-pence nickel coins, etc.
• Medium pitch: can tabs, 1 and 2-pound coins
• High pitch: copper, aluminum, silver, etc.
(6) Pinpoint
While in motion mode, it is possible to locate something metallic, but the
exact location can be difcult to nd. After something has registered on
the detector, switch to PINPOINT mode to get the exact location.
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