Fisher "F" Series Forum

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Seeking max depth...
Posted by: gkm710
Date: December 18, 2018 11:34AM
I hunt a property that has produced 6 civil war era military coat and cuff buttons... Found them all with a BH Platinum...I have a new Fisher F4 and I know there are more buttons to be found... any suggestions as to maximizing my depth with the F4???

Re: Seeking max depth...
Posted by: still looking 52
Date: December 18, 2018 08:20PM
Use a big coil that will help, I've got an F5 and I use the 11" DD coil, I can reach a dime in my soil down to the 8" range and a halve dollar down to the 9" range.
Next run your sensitivity up to around 70, get a good ground balance, set the thershold to postive 3 and swing the coil as close to the ground as possible.
Remember, deep targets will often read different than swallow ones and will jump around more on the screen. Most deep targets (coins) will only read in two directions not four.

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