Whites DXF Manuel d'utilisateur télécharger pdf (Page 46)

Chapter 5 DFX

™

Pro Options

24. V.D.I. Sensitivity

Controls how strong a target must respond to pro-

duce a display indication, and controls a third digit

(fraction) of the V.D.I. number.

V.D.I. Sensitivity controls the intensity (strength)

of the target signal needed to activate the display

indications. A low V.D.I. Sensitivity setting would

require a strong target signal to trigger the display

indications. A higher V.D.I. Sensitivity setting

would require very little target signal to trigger the

display indications.

To provide greater speciﬁ c target resolution, levels

of 86 and above will provide a third V.D.I. digit

(.0) to better evaluate targets. During EDIT only

the ﬁ rst two digits can be programmed ACCEPT or

REJECT.

As with all sensitivity levels, if set too high for

the area, the detector will become unstable and the

display indications unreliable.

Low ground mineralization is typically a good

indication that high V.D.I. sensitivity settings are

appropriate. Heavy mineralization or electrical

interference are conditions where a lower V.D.I.

Sensitivity setting is appropriate.

This feature is designed to allow adjustment of the

display stability. However, because the instrument's

display and audio tone are closely associated in

many of the audio modes, the V.D.I. Sensitivity

may increase or decrease overall audio sensitivity.

(Display section)

Tips -

Lower V.D.I. SEN-

SITIVITY level (smaller

numbers) offer fewer and

more reliable display indi-

cations. However, some

deep targets may or may

not respond with a display

indication. Higher V.D.I.

SENSITIVITY levels (higher

numbers) produce more

display indications, but less

reliability. Levels of 86 and

above produce a third V.D.I.

digit (.0), providing greater

resolution. Settings from 0

- 99 are available.

Third number (.8)

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 59 60

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Whites DXF Manuel d'utilisateur Page 46

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