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Questions on setting and sweep speeds

wingtip

New member
Greetings one and all,

I have long since admired this message board, and after a year and a half with my Coin Strike, I feel that I know enough to ask some educated questions. I live in South Jersey and I have spent a lot of time hunting the same farm for the last 22 years. This farmstead has been in my family since 1861. I have hit this property with 4 metal detectors, one of which was a Fisher 1266 XB, and of course, the Coin Strike. Prior to the CS, I found 1 gold ring, 2 wheat cents @ 4 inches, a jar of modern post 1970 coins, and 6 bushel baskets of misc metal, cut nails, plow parts, etc. Since getting the CS, I have found 57 Wheat cents (the earliest a 1909 found a 8 inches), 2 1950 dimes, and a 1924 Buffalo nickel, and more metal relics.

As for the soil, it is sandy with traces of mineralized iron. In some areas, there is oxidized lead from lead paint used on the tin roof, as well as cut tin and lead solder. In these areas, the CS, as well as any other detector is useless as I get so many hits it sounds like my CS is belting out a tune. In these areas, does anyone know what settings can get past lead and tin?

In addition to all of my woes, I am losing my hearing and my ability to differentiate tones. I get faint repeatable signals running on a Sens 10 Thresh -75 setting at a PP depth of 20 to 30, but chalked those signals up to either mineralization, old cinders/fill dirt, or the fillings of some fella in China. What would signals at 10 to 12 inches sound (or read out) like? I have tried the coin garden, but some of those signals do not happen in real life. I am running with a 10.5 inch coil, and notice that it reads better at different speeds, but I haven't been able to figure out which speeds are best. Do different settings require different speeds to be effective? Also, can you get 10 to 12 inches out of either the 8 or 10.5 inch coil? I know I have asked quite a few questions here, and any assistance anyone could give would be appreciated. Good luck,happy hunting, and thanks in advance!

Big Al
 
HI Al, Well those are some tough questions, but I'll take a shot :) First off, you say your having trouble telling the tones apart. With the C$ this is OK, because you can just rely more on the number ID rather than tone ID. Lead & tin are very hard things to discriminate. Tin may even be a high tone that you may not be able to get around. There are a couple suggestions that may help make that spot "huntable". One is perhaps a different setting. You have an interesting setting of 1075. One I may never have even tried yet. Sensitivity 10 may explain why you say the C$ is "singing" there. Remember that Fishers sensitivity doesn't need to be on 10 to have success. Try sensitivity on 3 or 4 & you'll be surprised. In a way that's ONE thing that can be said it's like a CZ because I can't get my CZ over 4 sensitivity. So maybe try say a 330 there. That should be less noise. Another tip may be to get some of that lead & a piece of that tin & see if either can be notched. Like maybe the lead will not signal with tabs/zinc notched? It's worth experimenting. If you just desire to get high conductive (higher #) coins outta there, notch everything & just dig the coin tones. That may work too?
Also, you mentioned the 10.5 coil, but in that type of trash you really will need the 8" to slice into the mess. For sweep speed, Fisher says "moderate" is best & I agree. To me I say that it does not have to be real slow like a CZ, but not "whipped" like a Whites unit. Sometimes in thick trash I will experiment with faster sweeps at different angles. Again, more experience is the key to success.....
HH, Bill
 
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