Things You'll Need:
- Metal detector
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Step 1
Hold the detector in your hand as per the manufacturer's directions and look at the controls for the machine. The controls are located on a metal plate that is simply known as the face plate. The controls will be obvious and easy to see, somewhere close to your hand and in easy view.
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Step 2
Switch the unit on with a toggle or twist knob on the face plate.
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Step 3
The type and number of controls on the face plate of a metal detector varies widely depending on the manufacturer and the price range of your particular model. Two controls, however, are located on the face plate of almost all metal detectors: sensitivity and discrimination.
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Step 4
Set the sensitivity of the detector using the twist knob marked "sensitivity" on the face plate. Normally this is a twist knob that allows you to set the sensitivity from 0 to 10. The sensitivity setting will help you determine whether you have found a coin or an old nail.
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Step 5
Set the "discrimination" setting to eliminate such things as iron nails or foil or aluminum unless you wish to search for those items. The "discrimination" setting is a twist knob on most models, set in the face plate of the detector.














