Every kind of soil contains minerals. In soils with high mineral concentrations, mineral signals can be tens to hundreds of times stronger than signals from buried objects. Iron minerals and mineral salts are two of the most common causes of interference.
Ground balancing allows your metal detector to ignore signals from minerals in the soil and concentrate on signals from buried metal objects. Your metal detector can be ground balanced to a particular type of soil, giving you quieter operation, more accurate target identification, and deeper target detection.
Tips on Ground Balancing
- Find a spot that's free of metal before ground balancing. Sweep your detector back and forth to make sure the ground is clear.
- On most detectors, you can push the trigger to ground balance automatically; if you're in All-Metal mode, you can balance manually.
- After you've ground balanced your detector, set it to All-Metal mode or Discrimination mode with discrimination set to zero. Sweep back and forth; there should be little or no audible response to the soil. You can also use the Pinpoint trigger to check the spot to make sure you have accurately ground balanced your detector.
- In most areas, you'll only have to ground balance once for a given location. In some areas, however, mineralization changes abruptly, and you may need to adjust your ground balance accordingly.
For tips on ground balancing your specific detector, see your Owner's Manual.
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