To conduct edge detection, the coil should approach the target
location from a variety of angles as shown in Figure 20.
As the coil approaches the target, an alarm tone will occur indicating
that coil is in close proximity to the target.
From the alarm tone, the operator should mentally mark the position
on the ground, move the coil away, and approach the target from
another angle.
This process continues until the operator achieves a mental picture
of the target area.
Figure 20: Mapping the target
* WARNING *
Extreme care must be taken when mapping the target to ensure
the coil does not touch the ground (or any exposed parts of the
mine) or snag on any previously undetected trip wires.
For large minimum metal anti-tank mines, it is possible that the
area mapped out may be less than the actual area of the mine.
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