Duramaxx Dr. Jones Mode D'emploi page 46

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Problem
Unstable signal or target
detection is fluctuating.
The unit sounds when
the coil approaches the
ground in PINPOINT
mode.
The unit sounds when the
coil moves away from the
ground.
Possible cause and solution
Try to pan at different angles.
For deeply buried objects, try increasing the
sensitivity or changing the search pattern.
Maybe more than one object has been
discovered. Reset the sensitivity or eliminate
metal types.
Strongly oxidized object or soil is magnetic.
Reduce the sensitivity.
High magnetic background. Decrease
sensitivity by pressing the PINPOINT button.
There is a large buried metal object.
The ground balance is too sensitive. Turn the
knob counterclockwise.