Minelab F3 Manuel de service télécharger pdf (Page 20)

F3 INSTRUCTOR NOTES

Minelab Countermine Division Safety Through Excellence

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Noise Cancel will commence with two single beeps followed by 45

seconds of sharp double beeps finishing with four single beeps.

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During the 45 seconds, the detector scans the environment

searching for the source of any electrical interference. Once

detected, the F3 will automatically select a different operating

frequency to eliminate or reduce the interference.

Seventeen

cont

o Audio Reset. Whenever the Threshold Tone sounds louder than

normal perform Audio Reset.

NOTE

The detector cannot be used for clearing operations during the Audio Reset

procedure.

Audio Reset should be carried out whenever the threshold volume

seems louder than normal.

Hold the coil at least 600mm (24ins) off the ground and away from

any metallic objects.

Press and immediately release the Ground Balance button

(Green Button located on top of the Handle -if the button is held

too long, the detector will begin to Ground Balance).

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Within two seconds the threshold tone will return to its correct

level.

Once Noise Cancel or Audio Reset is complete, continue with

Steps 2 and 3. Once completed, the F3 can now be used for

demining operations in compliance with local Standard Operating

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Minelab F3 Manuel de service Page 20