an electronic cook top control system has a cooktop including a heating element . an electronic controller is operatively connected to the cooktop . a rotary position input is operatively connected to the electronic controller . the electronic controller controls a heating level of the cooktop in a first manner in response to rotation of the rotary position input in a first direction . the electronic controller controls the heating level of the cooktop in a second manner in response to rotation of the rotary position input in a second direction .