F3Ci Service Manual
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11
• Hold the test piece above the middle of the coil with the rounded end (containing
metallic target) Away from the coil.
• Move the test piece towards the centre of the coil until it lightly touches the coil then
move it away in the same direction.
Figure 7: Test Piece Procedure
• C
onfirm a faint but clear response is heard.
Note
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
the detector satisfies operational requirements.