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| THE MINELAB EXPLORER II |
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Discrimination | • | The horizontal dimension (or axis) rates the extent of the |
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| object’s resemblance to ferrous characteristics. |
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Discrimination is the ability of a | • | The object’s |
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| ‘target crosshair’ inside the rectangular display area. |
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metal detector to identify the user’s |
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desired target (e.g. jewelry) and |
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eliminate signals from unwanted |
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material (e.g. nails). | Interpreting target responses |
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The Explorer II can be programmed | Conductivity |
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in a number of ways to discriminate | • | Objects with high conductivity (e.g. large silver coins, copper |
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against unwanted targets in different |
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| items) will cause the target crosshair to appear at the top of |
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types of ground. |
| the Smartfind screen. |
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| • | Objects with low conductivity (e.g. small alloy coins, foil) will |
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| cause the target crosshair to appear at the bottom of the |
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| Smartfind screen. |
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| Along with the type of metal, the size of objects will have some |
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| effect on the conductivity rating for targets. Generally, the larger |
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| the target, the higher the corresponding conductivity rating (and |
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| proximity of the target crosshair to the top of the screen). | 5 | ||
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| to appear on the left of the screen unless its rating would | QUICKSTART | |
| Ferrous content |
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| • | Objects with high ferrous content cause the target crosshair |
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| situate the object in the dark area of the discrimination pattern |
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| (see page 44). |
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| • | Objects with low ferrous content (e.g. jewelry, coins) cause |
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| the target crosshair to appear on the right of the screen. |
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| The preset discrimination setting is designed to search for Coins. |
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| NOTE | Both ferrous and |
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| degrees of inductive response to electromagnetic waves. |
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| This characteristic – in addition to conductivity – allows for |
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| more accurate identification of targets. |
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| 43 |
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| QUICKSTART’S SMARTFIND DISPLAY |
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