"YDAP-04 is a course computer that allows you to automatically steer a vessel with a displacement of up to 12 tons equipped with a rudder. It has direct connections for 12/24V battery and reversible electrical motor (10A constant, 16A peak) or hydraulic pump with the electric clutch. The device can be managed over NMEA 2000 from MFD or PC/smartphone with marine software and/or from buttons connected to device terminals. Auto, Track and Wind modes are supported."