11
DISCRIMINATION POINTS
Figure 6. Typical 1236-X2 audio reponses (with silencer off) for 2-inch deep targets with
search coil sweeping 1 to 2 inches above ground
10. Large pieces of trash such as beer cans or jar lids may sound
like a good target no matter what you do. With a little practice,
however, you will be able to tell the difference between a large
target and a small coin sized object.
11. The diagram below shows some different target responses
you may expect at different levels of discrimination. Note that
as you increase the discrimination level, you progressively
eliminate more targets, including some good ones, such as nickels
and gold rings.
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