Minelab F3 Manual de Serviço descarregar pdf (Página 14)

F3 INSTRUCTOR NOTES

Minelab Countermine Division Safety Through Excellence

permits the F3’s internal speaker to continue to function even when

the Earset is connected.

o For military countermine applications, an Earset that mutes the F3’s

internal speaker when the Earset is connected is available (Earset

Speaker Off). The Earset Speaker Off is identified by a short length

of green tubing located at the rear of the Earset plug.

o A further option includes a volume control located on the cable

between the Earset plug and earpiece. This Earset also mutes the

detector’s internal speaker when connected.

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**WARNING**

Minelab recommends that an operator should always wear an

Earset when using the F3 detector.

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Thirteen

Functional Tones

• The F3 emits tones that vary in pitch and volume to alert an operator to

targets, automatic detector functions or equipment alarm conditions. The

following table summarizes the tones that an F3 can produce (Note: the

Powerpoint presentation includes embedded sound files to demonstrate the

actual tones)

Tones Event Description

Start-Up Internal checks when

the F3 is switched on

Four rising tones over 12

seconds

Threshold Signifies correct

operation of the

detector

Steady slow volume

continuous tone

Target Indicates metal target

detected

Increases volume

(compared to Threshold

Tone) and high or low pitch

depending on target metal

composition and depth

Low Battery Indicates batteries do

not have enough

charge to continue

detection

High pitched fast oscillating

tone

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 35 36

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