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Minelab E-Trac Manual

Minelab E-Trac
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Expert Menu
The Expert Menu contains some of E-Trac’s more advanced settings
and functions and some of these are covered in extra detail here.
Trash Density: The Factory Preset is: Low
The Trash Density setting of either Low or High will, enable you to
optimize the Discrimination of the detector for areas that have (a)
highly variable ground mineral levels (b) ground with unusually high
amounts of ferrous objects e.g. habitation sites or old Roman sites.
When the Discrimination Pattern is All-Metal’ the Trash Density (TD) setting has no eect. When the
Discrimination Pattern has rejected (black) areas, E-Trac will produce dierent detection results depending
on the TD setting. The TD setting will not aect the target audio response.
Low is recommended in areas that have low target density (“not more than one target under the coil at any
time”), low ground mineralization and in areas with sporadic iron trash.
High is then recommended in ground where the target density is high (“more than one target under the
coil at any time”), the mineralization content can vary, at times even in adjoining elds or in a single eld
split into two by a track …(yes, it does happen and levels can be very dierent) and where the areas being
searched contain masses of iron targets.
Ground: The Factory Preset is: Dicult
The Ground settings, either Neutral or Dicult, aects the way E-Trac responds to the mineralization
present in the soil.
The correct Ground setting will reduce false signals from the soil.
So therefore, a good question would be: “How would I know which setting I should set E-Trac to”? One of the
answers to that lies in the Sensitivity range of the E-Trac, particularly the Auto or A setting. If the A ranges
upwards and stabilizes at a high setting then it could be determined that the ground is ‘normal’ and the
Neutral setting would be best applied there. Conversely, other clues could be if E-Trac does not range to
a high A setting and produces spurious false signals and loses threshold tone, it could be determined that
the ground is mineralized and the Dicult setting a better option at that location.
Bear in mind too that at times certain types of soils might have no pronounced eect. Should that happen
either Neutral or Dicult can be used.
For beach hunting Neutral should be used for the majority of situations and should black sand be present
then some experimentation should be done to deal with that challenge with ease. Geographical black
sand areas may vary, so on-site testing would be recommended.

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Minelab E-Trac Specifications

General IconGeneral
Transmission TechnologyFull Band Spectrum (FBS) Multifrequency Technology
Microprocessor32bit, 48MHz microprocessor – fast and powerful
CoilUltra-lightweight 11” Double D (DD) waterproof coil
ConnectivityUSB connector for communication with Personal Computer
SoftwareIntuitive User Interface; Fast Target processing; Multi-language functionality
QuickMask™Fast and Easy adjustment of Ferrous and Conductivity Discrimination
User Modes4 Minelab Modes and 4 My Modes
Depth GaugeAccurate Gauge active in Normal detecting and Pinpoint mode
PinpointNon-motion with modulated audio and visual Crosshair on LCD, 2 Modes – Normal and Sizing
Discrimination2 Dimensional Smartfind™ Discrimination
Target Identification2 Dimensional Smartfind™ Size / Conductivity and Ferrous characteristics Conductivity 1-50, Ferrous 1-35
Sensitivity AdjustmentFully Automatic; adjustable to be more aggressive or conservative, Manual Setting 1-30
Sensitivity GaugeAuto Level, Manual Level, Suggested Level
ThresholdFine adjustment level from 1-50
Recovery SpeedSelectable Fast & Deep
Trash DensityLow for areas with isolated targets or High, for areas with more trash
Noise CancelAutomatic & Manual selection of 11 channels
Audio Response4 Settings: Normal, Long, Smooth, Pitch Hold
Tone ID Number of Tones1, 2, 4 and Multi-tone; customizable for Conductivity or Ferrous response
Tone ID Variability30 adjustable steps for better Target Identification
HeadphoneInput ¼” 100Ω Stereo Jack
Ground Balance ModesAuto Ground Compensation - Advanced Digital Filtering
Ground SettingsNeutral for most ground conditions, Difficult for more mineralized soils
Batteries1600 mAh NiMH or Alkaline batteries
Low Battery Audio AlarmAudio and visual indication
Visual DisplayLarge 3.4” (8.65cm) greyscale LCD panel with Contrast adjustment and Backlight
PatentsUS 4890064; US 5537041; US 5506506

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