Patent ID: 7554044

Claim:
An assembly comprising: at least one operator control device; a panel cover with at least one opening for receiving and mounting the operator control device; circuit board underlying the panel cover, the circuit board comprising at least one functional switch and at least one identification, switch; the operator control device comprising an enclosure having a selectable number of projecting members extending from a bottom surface of the enclosure, an operator control interface for moving a control mechanism housed in the enclosure, the operator control interface operable the position the control mechanism such that it operatively engages the at least one functional switch; and the opening in the panel cover holding the operator control in position above the circuit board such that the projecting members of the enclosure operatively engage the at least one identification switch on the circuit board, the number and arrangement of the projecting members mechanically engaging a subset of the at least one identification switch to activate the at least one identification switch indicative of an electronic identification for the operator control device.