a type of professional activity in the management of technical systems, characterized by the mediation of interaction with the object of control through a system of indicators and controls. It is studied in engineering psychology as a specific type of activity that requires the development of monitoring skills, quick decision-making, and sustained attention. Operator activity includes perceptual, thinking and executive components. The effectiveness of this type of activity depends on professional training, psychophysiological characteristics, and the organization of the workspace.