A human-machine interface (HMI) is typically local to one machine or piece of equipment, and is the interface method between the human and the equipment/machine.
An operator interface is the interface method by which multiple equipment that are linked by a host control system is accessed or controlled.
Presagis provides a full range of state-of-the-art HMI and graphics modeling tools for safety-critical and mission-critical applications.
Presagis HMI tools are employed worldwide for the development of avionics display graphics, UAS ground station controls, automotive infotainment systems, and many other applications.