Try a pinpoint test in your yard using a coin, ring, washer, and small nail. Once the detector indicates hold the pinpoint button and notice where the coil is in relation to the object. Mine is in the top center of the coil.
Excal 1000, Excal II, Sovereign GT, CZ-20, Tiger Shark, Tejon, GTI 1500, Surfmaster Pulse, CZ6a, DFX, AT PRO, Fisher 1235, Surf PI Pro, 1280-X, many more because I enjoy learning them. New Garrett Ca