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Gold Prospecting
Metal Detecting for Gold
Hot Rocks and Tin Foil
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<blockquote data-quote="oldtimerROB" data-source="post: 399753" data-attributes="member: 8947"><p>RR. I always take my 1 gram nugget with me whilst out detecting and play around with different modes,and how they react in different levels of mineralisation. I threw away all the tin foil found that was manufactured at the end of the 19th century, so next time I dig it up I will lay it on the ground and get the ID number.</p><p>I consulted the Impact manual (no need to contact the manufacturer) and it describes how to deal with this problem in detail. You first select Notch Filter and set the range on the horizontal bar (0-100 and on top of the menu screen) with the cursor by using the + and - buttons ,then press select. The range can be say -5 to +5 on either side of the ID number. The detector will then either reject any audio signals in that range or can be set to give an iron tone. I will also get the gold ID and make sure that the range set in the Notch Filter does not overlap. As I only use the 20 Khz frequency all I have to do is save the settings.Changing the frequency or mode, you would have to set the Notch Filter again.</p></blockquote><p></p>
[QUOTE="oldtimerROB, post: 399753, member: 8947"] RR. I always take my 1 gram nugget with me whilst out detecting and play around with different modes,and how they react in different levels of mineralisation. I threw away all the tin foil found that was manufactured at the end of the 19th century, so next time I dig it up I will lay it on the ground and get the ID number. I consulted the Impact manual (no need to contact the manufacturer) and it describes how to deal with this problem in detail. You first select Notch Filter and set the range on the horizontal bar (0-100 and on top of the menu screen) with the cursor by using the + and - buttons ,then press select. The range can be say -5 to +5 on either side of the ID number. The detector will then either reject any audio signals in that range or can be set to give an iron tone. I will also get the gold ID and make sure that the range set in the Notch Filter does not overlap. As I only use the 20 Khz frequency all I have to do is save the settings.Changing the frequency or mode, you would have to set the Notch Filter again. [/QUOTE]
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Gold Prospecting
Metal Detecting for Gold
Hot Rocks and Tin Foil
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