Minelab F3Ci Service Manual page 11

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Hold the test piece above the middle of the coil with the rounded end (containing
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metallic target) Away from the coil.
Move the test piece towards the centre of the coil until it lightly touches the coil then
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move it away in the same direction.
Confirm a faint but clear response is heard.
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The test piece test can only be conducted with the sensitivity control in the green position
(Sensitivity No 4). When the sensitivity control is not set to the green position 4 it is the
responsibility of the user to provide an appropriate target with which to confirm the sensitivity of
Figure 7: Test Piece Procedure
the detector satisfies operational requirements.
Note
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F3Ci Service Manual