An imaging module that generates a plurality of display images respectively based on a plurality of pieces of state information different from each other, in accordance with an instruction signal from a controller, and allows the plurality of display images to be displayed simultaneously on a display screen of a liquid crystal display device, and a recording and reproducing unit that performs a capture operation, in accordance with the instruction signal from the controller are provided. The recording and reproducing unit records the display screen on the recording medium as screen data through the capture operation.