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F75 Discrimination

Is the F75 good at discrimination- like for pop tops?
 
Yep, with a concentric or a DD coil.
 
Of you mean steel bottlecaps, the concentric will do a better job than the DD, the DD requires some special techniques to do better on these.

If you mean aluminum pyll tabs, no detector will reliably seperate these from gold jewelry.
 
Tone, tone, tone. They say it takes one hundred hours with a detector to get comfortable with it. If that hundred hours isn't spread out over a long period of time, meaning getting in more then a couple hours with your detector here and there, you will began to see that a tone is more then a high, medium or low tone pitch. You might began to notice a small click as your coil swings over a target. Usually thats a bottle cap. One day you might hear just a small sounding faint whisper. Good chance it might be a silver coin, probably a dime. Dig some targets and confirm what those tones are saying. I know quite a few do use discrimination and some use some very heavy doses of it. Discrimination has its place, (I guess) but like a goodly number of things, less is better then more. Personally, I don't use discrimination. That doesn't mean it wrong for some to do so. I just like to hear everything under the coil and let my ears via the various clicks, pops, crackles and sweet, faint whispers be my discriminator.

Learn what your detector is telling you by taking it for regular walks. You will be rewarded for the attention you are giving it. HH jim tn
 
Yes - very good if you learn the tones. The tab range is between the nickel and zinc pennies But there are hazards to using discrimination to cut out (mask) the tab sounds because that is the range for gold. Various 10K-22K all have other metals changing the sounds and VDI numbers a big 10K ring is completely different than a 22K pendant. Masking the tab sounds completely will surely prevent you from finding gold.....

GL & HH
 
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