25
A faint but clear response should be heard indicating the sensitivity
of the detector is correct.
With the LED display enabled, the Test Piece Procedure will result in
the illumination of at least two LEDs.
Figure 16: Test Piece procedure
4.3 Optional Procedures
After Step ONE, three optional procedures can be conducted if
required. Each procedure can be conducted at any time during
operations.
4.3.1 Noise Cancel
If the detector is affected by interference, conduct Noise Cancel as
follows:
a. Holding the coil stationary and at least 600 mm (24 ins) above the
ground press and immediately release the Noise Cancel button
(see Figure 17).
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