Detector Pdf | Inside The Metal

you quote (fair use).

"Exactly," Elias nodded. "That’s how the 'Discrimination' mode works. The PDF shows the logic circuit that tells the machine: 'If the phase shift looks like an iron nail, ignore it. If it looks like a steel gun, sound the alarm.'" inside the metal detector pdf

If you open a "inside the metal detector pdf" and skip to the coil section, you will see a bewildering array of capacitors and taps. Here is how to interpret it. you quote (fair use)

Metal Detection Principles | Industrial & Food Grade Metal Detectors you quote (fair use). "Exactly