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There are only three adjustable settings: sensitivity, search mode and discrimination. While the lack of advanced settings might seem limiting to experienced hobbyists, it makes the Tracker IV easy to learn and use. Let’s start with sensitivity. The higher the sensitivity, the deeper the detector will be able to “see” a target. Or, to put it another way, the smaller the minimum target size for detection.
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“notch out” certain types of metal you don’t want to detect, such as pull tabs or other trash. The Bounty Hunter Tracker IV just has a single knob for discrimination though. The higher the setting, the more aggressive the discrimination - but there's no option to "notch out" areas while leaving others.
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