Each Greek Family model has selectable notching capabilities, adjustable sensitivity, depth readout, a battery life indicator, and 1/4 and 1/8 head phone jacks. 80 levels of adjustable discrimination. Digital menu system. Running depth graph. Computerized ground Grab. Modes include discrimination, pinpoint, and all metals mode. Manual ground balance. Four tone alerts. Pitch is proportional to signal strength. Deep Search. Mineralization readout. 8" open face coil.