Minelab X-Terra 505 Instrukcja Obsługi Pobierz pdf (Strona 4)

Primary micro

(in control box)

Digital Signal ProceSSing

(DSP)

coDec Signal converSion

The 2nd generation X-Terra Series incorporate

Minelab’s proven VFLEX Technology.

VFLEX uses state of the art digital and mixed-signal

components to enhance standard single frequency

technology by replacing most of the analogue

circuitry with digital signal processing. The small

amount of analogue circuitry still employed has been

very carefully designed and calibrated to obtain the

outstanding sensitivity, stability and repeatability

required to match the performance of the processing

in the digital domain.

This radical departure from traditional approaches to

metal detector design has been made possible by

advances in electronics that power personal digital

assistants, cell (mobile) phones and high-delity

portable audio equipment.

For the X-Terra user, this precision means

dependable performance and improved immunity

to environmental conditions such as ground

mineralisation, electromagnetic interference and

temperature variations.

VFLEX requires coils that are accurately constructed

and calibrated. Every time the detector starts up,

the micro-controllers in the control box and the coil

establish communication through a digital data link.

Information about the coil is sent to the control box,

so the detector ‘knows’ what type of coil is attached

and can set the correct operating parameters.

This optimises the performance, and also makes the

detector ‘future proof’, in that it will be capable of

operating at dierent frequencies depending on the

electronic properties of the coil.

Precision VFLEX Signal

Standard VLF Signal

(Without VFLEX)

SeconDary micro

(in coil)

SenSing + tranSmitting

coil tyPe, Size, frequency

Receive

Analog Signal

Receive

Power

Supply

Audio

LCDKeypad

TransmitTransmit

Control Box Coil

1 2 3 4 5 6 7 8 9 ... 40 41

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Minelab X-Terra 505 Instrukcja Obsługi Strona 4

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