17
coil parallel to
the ground
Once outside, practice sweeping the coil
over the ground in a side-to-side motion,
while walking forward slowly. Slightly overlap
the previous sweep to ensure a full ground
coverage. An approximate sweep speed is 3
seconds from left to right to left.
It is important to keep the coil close and
parallel to the ground at all times. This will
increase detection depth and response to
small objects. Avoid excessive brushing
of the coil on the ground, as this may result
in false signals and inaccurate target ID’s.
A variation in coil height at the end of each
swing may also cause confusing sounds and
reduce detection depth.
1” (2.5cm)
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