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Expert Menu

Trash Density

Range: Low or High

Factory Preset: Low

The Trash Density setting will enable you to

optimise the Discrimination of the detector

for areas that have highly variable ground

mineralisation or unusually high amounts of

ferrous objects.

When the Discrimination Pattern is ‘All Metal’,

the Trash Density setting has no eect.

When the Discrimination Pattern has rejected

(black) areas E-Trac will produce dierent

detection results depending on the Trash

Density setting. The Trash Density setting will

not aect the target audio response.

Low is recommended in areas that have low

ground mineralisation or low amounts of

ferrous trash.

High is recommended in areas with highly

variable ground mineralisation or unusually

high amounts of ferrous objects (Iron trash).

Low

In Low setting, E-Trac locks onto the strongest

signal target during detection and the

detector displays the most stable Target ID.

For example, when a coin is buried amongst

nails and you are using a Disc. Pattern that

accepts coins and rejects nails, the detector

will lock onto the target with the strongest

signal. If the coin produces a stronger signal

response, then the Target ID for the coin will

be displayed at the end of detection.

Trash Density Performance Characteristics

Setting Accept/Reject

Functionality

Detection in average

soils, and low trash sites

Detection in mineralised

soils, and high trash sites

Trash Density

Low Very good Very good Average – may miss

detection of nonferrous

targets

High

Average Very good Good

It is recommended to use Low in areas with

low trash. It is not recommended to use Low

in areas where a “good” target may be masked

by the presence of strong signals from ferrous

objects or high ground mineralisation.

The Low Trash Density setting also allows

you to create a quite narrow discrimination

pattern for a specic target as the Target ID is

more stable than in High Trash Density.

High

In High setting, E-Trac searches for the best

accepted target signal during detection and

then displays the most stable Target ID. The

High setting allows you to detect accepted

targets in the presence of ferrous objects,

high ground mineralisation or amongst a

number of rejected targets.

For example, when a coin is buried amongst

nails and you are using a Disc. Pattern that

accepts coins and rejects nails, the detector

will lock onto the coin and the Target ID

for the coin will be displayed at the end of

detection. If the nail produces a stronger

signal response the detector will not blank

at the end of detection, and the Target ID

for the coin will be displayed at the end of

detection.

It is recommended to use High in areas with

high trash and where a “good” target may

be masked by the presence of many ferrous

objects or high ground mineralisation.

In a High Trash Density setting the Target ID is

more unstable, therefore, a greater number of

Target ID numbers need to be used to reject

a specic target.

High Trash Density can be used with a slightly

faster sweep, so it is suitable for use during

competition hunts or in areas where speed of

ground coverage is important.

To turn Trash Density to Low or High:

1 Press the Menu button

2 Scroll across to Expert (using the Right or

Left Navigation button)

3 Scroll down to Trash Density (using the

Down Navigation button)

4 Press either the Left or Right Navigation

button to turn Trash Density to Low

or High

5 Press the Detect button to exit the Menu

and resume detecting

Target Signal

If the nail produces a stronger signal

response, then the Detector will blank at the

end of detection and the Target ID will not

update as the nail is rejected by your Disc.

Pattern.

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