Abstract: An agricultural vehicle with a plurality of controlled implements, is provided with a programmable computer having input devices for receiving data and instructions from the vehicle operator and connected to send control signals to the implements, and a display screen connected to the computer to display information regarding the operation of the vehicle and the implements. The computer is programmed to enable the operator to record the prevailing values of the settings of the different implements in a memory.

Abstract: An agricultural vehicle with a plurality of controlled implements, is provided with a programmable computer having input devices for receiving data and instructions from the vehicle operator and connected to send control signals to the implements, and a display screen connected to the computer to display information regarding the operation of the vehicle and the implements. The computer is programmed to enable the operator to record the prevailing values of the settings of the different implements in a memory.

Abstract: An agricultural vehicle is disclosed having a screen provided with an array of soft buttons and connected to a computer programmed to display on the screen menu items selectable by operation of the soft buttons. In the invention, an additional input device is provided for selecting a menu item from those displayed on the screen, the input device comprising a continuously rotatable knob which is also axially depressible to select an item from a displayed menu, rotation of the knob serving to change the menu item that is selected upon depression of the knob.