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Chapter 4 DFX

™

Basic Adjustments

7. A.C. Sensitivity

Used to select the appropriate sensitivity (degree

that the instrument is responsive to signals) while

being used in the discriminate modes (those which

require movement of the loop).

Select A.C. SENSITIVITY with the ARROW

controls, and press ENTER. Use the ARROW

controls to set the level of sensitivity shown by the

number on the right. Press ENTER.

Sensitivity levels adjust detection depth and also

have a direct effect on detector stability. A.C.

SENSITIVITY levels should be selected carefully

to allow stable, predictable performance. Set a

lower level if the detector behaves erratically.

Tip -

Preset levels work

well for most conditions.

Reduced levels will

improve stability in difﬁ cult

conditions. Increased

levels will improve

detection depth if stability

can be maintained.

Tip-

Remember that

once the TRIGGER is

squeezed and released

to go to a search mode,

you can return to the

last adjustment screen

used by pressing either

ARROW control. Settings

from 1 - 85 are availabLE.

8. D.C. Sensitivity

Used to select the sensitivity (degree that the

detector is responsive to signals) while the

detector is being used in non-discriminate (ALL-

METAL) modes. These are modes that do not

require movement of the loop to respond. D.C.

SENSITIVITY ﬁ ne tunes stability and pinpointing.

Select D.C. SENSITIVITY with the ARROW

controls, and press ENTER. Use ARROW

controls to select the desired D.C. SENSITIVITY

level shown by the number on the right. Press

ENTER. D.C. SENSITIVITY levels should be

selected carefully to allow smooth, stable and

predictable operation while allowing for reasonable

pinpointing.

A.C. and D.C. Sensitivity Adjustments are

traditionally the way to alter detection depth and

stability. There are other methods available in the

Tip -

Typically, lower D.C.

SENSITIVITY settings

pinpoint shallow targets

far better than high

settings. High settings

will however, produce

more pinpointing (as well

as non-discriminate mode

'(ALL-METAL)' depth).

Pinpointing (TRIGGER

squeezed), MIXED-

MODE, and V.C.O.

AUDIO are dramatically

impacted by the D.C.

SENSITIVITY setting.

Settings from 1 - 60 are

available.

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 59 60

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