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Search features underwater metal detectors
Use of natural and artificial landmarks on the bottom surface . What could it be ? Stones, elevations and depressions on the bottom, own signal mark of bright material. Swim in and scan the ground along the imaginary lines .
With careful to mark the underwater search of the bottom surface of the test sites . To do so would be the best white rope , which can be clearly seen . If necessary, use a compass and GPS navigation . The scanned area on the site should have little overlap .
The combination of maximum sensitivity and minimum level of discrimination will provide the greatest depth of detection for gold. The best setting for a particular model of underwater metal detector is tested.
To test the underwater metal detector must be buried in the ground soil several objects made of different metals , different shapes and sizes.
Test the device by varying the depth of the objects. As a result of tests, you can set the unit on Wednesday, searching, metal type and depth of the target.
Scuba diving Excalibur II / Underwater metal detecting
httpv://www.youtube.com/watch?v=7iuU-zsauOY
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