An output input control apparatus and a control method thereof are provided. A root MEP communicates with each of a plurality of leaf MEPs. If the reclining seat is a car safety seat, the base unit may accommodate a safety belt. Furthermore, the air guides are designed to suppress engine noise. The selection of measurements is dependent upon the target class under consideration. The machine control system may also include a control module configured to process the 3-D model, and automatically perform an operation with a work tool based on the characteristics of the 3-D model.