Minelab The Sovereign Uživatelský manuál Strana 14

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  • KNIHY
  • Hodnocené. / 5. Na základě hodnocení zákazníků
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14
Ring Guide To Discrimination
The rings that we hunt for are made from various metals and are found in a variety of
shapes and sizes. Because of the variety of rings, they do not display any consistent
pattern of conductivity. Factors such as metal and alloy content, diameter, metallic
surface and shape, and the orientation of the ring in the ground crosses the entire
conductive and non-conductive range of metal. To find all the different kinds of
rings you must dig all targets and junk with no discrimination or minimal
discrimination. Also by hunting this way you find many targets that are indicated as
trash but are not trash at all... Nickel 3¢ i.d. as foil...$5 gold i.d. as square pulltabs...
copper/nickel Indian pennies and $2½ gold coins i.d. as round pulltabs... jewelry
other than rings range the entire scale of non-ferrous targets... etc.
This book is primarily about rings. We hope this picture guide will help you decide
on how much discrimination is needed if you want to find rings of all types. Here we
go.
The 20 rings in this frame are made of iron and, of course, registered as iron. They also read -495
to -497 on the SunRay DTI-II meter and gave a negative (silent) audio response. Just another
example of having to dig it all to get it all.
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