A control system in accordance with one feature of the present invention includes one or more user inputs, movable by a user in an operator compartment of a power machine. The user inputs can be used to set values for a plurality of settable operating parameters to direction of movement of the power...http://www.google.com.tw/patents/US20020153188?utm_source=gb-gplus-share專利 US20020153188 - Selectable control parameters on a power machine with four-wheel steering
