Salt, sand and grit will accumulate on the Minelab Excalibur. So make sure you thoroughly rinse it with fresh water after use, including the coil cover, shafts and battery pack. Don't forget the vent holes on each headphone diaphragm as these need to be clear if used for diving purposes to allow for ear equalization.
How To Keep Your Minelab Excalibur Metal Detector In Great Shape
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