F3 Service Manual
Page 5
2 Introduction
2.1 System Overview
The Minelab F3 is a robust hand held metal detector designed to detect landmines,
cluster munitions, unexploded ordnance and other buried threats. The F3 ensures
user safety through high performance in all soils and its simple intuitive operation.
2.2 Warnings
Use caution and common sense when operating the F3 metal Detector.
a. Minelab recommends that an Earset is always used when operating the F3
Metal Detector, particularly when there are minimum metal mines present.
b. Emission of non-ionising radiation. The F3 Detector emits low power magnetic
fields and radio frequencies from the coil, the radiated power is lower than that emitted
by a mobile phone. The F3 is a pulse induction metal detector that transmits a Bi-
Polar Multi Period signal which is designed to not initiate magnetic influence mines.
c. Internal High Voltages. Voltages potentially capable of causing electric shock
are present inside the F3 electronics pack and coil. Do not use the F3 detector if the
coil or coil cable is damaged with exposed conductors. Do not turn on the F3 whilst
the electronics pack is opened and internal circuits are exposed.
d. Battery Hazards. Do not use damaged batteries.
e. Speaker/Earset Audio Volume. Exposure to very loud audio can cause
discomfort and hearing loss. The F3 Metal Detector is designed so that maximum
sound pressure levels do not exceed safe levels.
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