Carl:
Mineoro PDC with two controls is not the same you show here. In the past I had the model “dissected” in this forum and said the both inventors that this is not the ideal for smalls items (coins, rings, etc.), only for big masses.
In consideration to my suggest (I think), they added controls wich works in the threshold.
My next step is detection with the new PDC and shows via video how to adjust and detect with it. You need X experience with this detector for to center the exact point of the target.
No mean that the persons who read all this buy immediately PDC according my words, because if you don't have certain searching method with it, you'll failure.
Remember this: PDC also detects copper, bronze, silver and alloys of these.
My designs in not the same than Mineoro. I finish a design as the B&W photos I post here and consist in a search oscillator coil - radio - audio signalizer and another electronics.
Waiting more good weather for to test in inland. I'll post results.
Carl, sorry, for the moment can't post any technical info.
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