Minelab F3 Operation Manual page 41

To an experienced operator the shape of the mapped area can
indicate whether multiple targets may be present.
b. STEP 2
•
The pitch of the Threshold Tone will rise or fall depending on the
combination of metals or the composition of metal in a mine.
This means that, in some instances, experienced operators may
be able to identify one mine against another (Figure 28).
•
By slowly moving the coil across the mapped area, it may be
possible to detect tonal differences indicating multiple targets.
The volume from a large target may mask that of a small
target if the small target is located very close to the large
Figure 27: Mapping Multiple Targets
Determining the Centre of Target
**WARNING**
P0627-A
NOTE
target.
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