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Tesoro Vaquero discrimination setting...

April 12, 2022 10:04AM

GB, don't be afraid to kick that discriminator way up. Vaquero shouldn't disc out a silver dime if you disc out a can. Those 8x9 coils though not incredible deep seekers can pick a dime at 9" or so depending on mineraliztion. That is still 9" or so more than any dd coil with iron in the area.

I've identified (in air, so maybe different in the ground) the discriminator knob location where USA 5-cent ('nickel') starts to be attenuated, as well as the similar position for Zincolns. I don't care to recover Zincolns but don't want to miss Indian Head Pennies and early (sometimes corroded) 95% copper Lincolns.

When doing a Nail Board Performance Test I've noticed that I need to go pretty high to quiet the nails. (It does seem to be a bit coil dependent.) For example, with one of my concentrics I set it at the 5c mark (12 O'Clock position). I wonder if it's the ED 180 circuitry that leads to this or if it's typical for other Tesoros with different electronics. Or maybe I'm doing something wrong....
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Re: Tesoro Vaquero discrimination setting...

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