Garrett Sea Hunter Mark II None Owner's Manual page 10

target discrimination. The background
audio threshold remains at the chosen
level until the searchcoil passes over
targets in the knob's "accept" range,
at which time a sharp audio response,
a characteristic of all motion detectors,
occurs.
Figure 2 shows the typical detection
responses from various metals in both
Discrete (DIS) and Standard (Std) Trash
Elimination modes. Note that in Std 0
Figure 2
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