By visualizing this on an X-Y graph (a feature popularized in their technical breakdowns), the "Discrimination" knob suddenly makes sense. You aren't just "turning up the power"; you are setting a phase-angle window. The PDF doesn't just tell you how to hunt; it teaches you how to tune an orchestra of invisible waves.

George Overton and Carl Moreland were two pioneers in the metal detecting industry who recognized the need for more advanced and reliable technology. Overton, an engineer by trade, began experimenting with metal detectors in the 1970s. He developed a new type of detector that used a balanced coil system, which significantly reduced interference and improved target accuracy. Moreland, a fellow innovator, joined forces with Overton to refine the design and create some of the most iconic metal detectors of the era.