Fisher Labs 1280X Aquanaut Metal Detector with 10" Search CoilFisher Labs 1280X Aquanaut Metal Detector with 10" Search Coil The deep seeking 1280X Aquanaut features turn on and go operation because it automatically tunes itself to the changing conditions. It is very easy to use. No fine tuning, no threshold and no ground balancing adjustments are needed. Turn it on, set the volume, sensitivity and discrimination, and you are set for hours of care free hunting. Features: Automatic turn on and go operation.