A control button for controlling operation a machine including: an attachment member for attaching the control button to the machine; a display member including an electronic display module; an operational mode display controller for controlling display of operational modes of the machine upon the electronic display module, the operational mode display controller being operably connected with the electronic display module so that, in response to the operational mode display controller, the electronic display module is configured to display a plurality of operational modes of the machine; and an operational mode selector for controlling selection of one of the operational modes of the machine when one of the operational modes are displayed on the electronic display module, the operational mode selector being configured for movement between at least a first position and a second position to actuate selection of the operational mode displayed on the electronic display module.