An appliance according to the present invention is operative under instructions from a plurality of control units, which includes a first control unit and a second control unit. The first control unit outputs a first control signal to the appliance to instruct the appliance to perform a predetermined operation. The second control unit outputs a second control signal to the appliance to instruct the appliance to perform the predetermined operation. The appliance includes a receiving section that receives the first and second control signals and an image control section that changes sizes of a particular image to be presented during the predetermined operation depending on whether the receiving section has received the first control signal or the second control signal.