An apparatus includes a knob that is repositionable into a first position and a second position. The knob may be configured to control a first set of parameters in the first position and a second set of parameters in the second position. The apparatus may include a reconfigurable display configured to selectively display at least a first display configuration and a second display configuration. The system may be configured to display the first display configuration on the reconfigurable display when the knob is in the first position, and the system may be configured to display the second display configuration on the reconfigurable display when the knob is in the second position. The apparatus may also include a slider device having a set of rails defining a track between the rails. The knob may be slidable along the slider device into the first and second positions.