US Patent 6856878 On-board computer system having two operating modes

An on-board computer system for a work vehicle having an actuator. The computer system comprises an electronic control unit that is connected to and controls the actuator, a display unit and an input unit. The display unit displays operating parameters of the work vehicle. Through the input unit the operator inputs operating parameters of the work vehicle. The control unit transmits control signals to the actuator and can be operated selectively in a first operating mode and in a second operating mode. In the first operating mode the control unit displays a greater number of operating parameters that can be changed by the input unit than in the second operating mode.