Optional Procedure - Minelab F3 Operation Manual

•
Red Sensitivity Endcap:
Hold the Test Piece above the middle of the coil with the
rounded end (containing the metallic target) TOWARDS the coil.
Move the Test Piece towards the centre of the coil until it lightly
touches the surface then move it sideways off the coil (the Test
Piece should be moved slowly and smoothly during this
procedure).
volume and pitch) should be heard indicating the sensitivity of
the detector is correct.
The Test Piece not only ensures the sensitivity of the detector is
correct but also gives the operator an example of how a minimum
metal mine might sound when deeply buried: for example Type 72A
at 15cm . (Black Endcap only).
5.3 Optional Procedure. If after Step ONE the Threshold
Tone is not low and steady, conduct one or both of the following:
a. Noise Cancel. If the Threshold Tone is noisy or uneven when
the coil is stationary, conduct Noise Cancel as follows:
The detector cannot be used for clearing operations during Noise
Cancel. The coil should not be moved during this procedure nor
should metallic objects be brought near the coil during this
procedure.
•
Holding the coil stationary and at least 600mm (24ins) above the
ground press and immediately release the Noise Cancel
button (Black Button located behind the handle).
A clear response (change in Threshold Tone
NOTE
NOTE
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