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Once Noise Cancel is complete, continue with Standard Procedure
steps 2 and 3. Figure 18 illustrates this sequence. Once completed,
the F3Ci can commence operations in compliance with local
Standard Operating Procedures.
NOTE
Having completed STEPS 1, 2 and 3 the F3Ci remembers the Ground
Balance setting even after the detector has been switched off.
After Noise Cancel is completed the F3Ci remembers the frequency
selected to minimise interference, even if the detector is switched off.
4.4 Sweeping Procedure
The F3Ci has three sweeping modes as follows:
a. Detection Mode. This is the default mode and will provide a
similar alarm for all types of targets. The volume of the alarm will
vary depending on the size and proximity of the target.
b. Interrogation Mode. Once a target has been found, it can be
analysed by selecting Interrogation Mode. This is achieved by
pressing and releasing the Mode Select button which will toggle
between Detection and Interrogation modes. Interrogation Mode
will provide different tones for different targets, thereby assisting
the operator to identify a specific target of interest.
NOTE
When in Detection or Interrogation modes, the F3Ci operates as a
“dynamic” detector which means the coil must be moving relative to
the target for the target to be detected.
Two beeps will occur when the detector returns to Detection Mode.
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