Book Excerpt: "Iron Bias" (Settings X 6 + long press, “+” or “-“ to adjust, “Detect” to exit).The need for an Iron Bias setting on the Equinox derives from the operating characteristic of a high gain detector. While the Equinox’s sophisticated electronics act to inhibit inconsistent responses like iron, at the same time because there is so much Sensitivity going down into the ground there is still the possibility of iron falseing taking place. This involves iron objects that have very unusual pr