Fisher F5

They say if you supply your Fisher F5 with 20V, you’ll achieve the better performance from it (I don’t know for sure if it’s true)… How to open the F5? What kind of a processor does this machine have, and what is its weak…

Watch the new field photo report of Fisher F5 metal detector. On the one hand, I do not really respect Fisher. In my opinion, it has a superficial attitude towards real metal detecting situations. Controlling with knobs, outdated approach…