Display device and information collecting method using the same

An information collecting method of a display device, comprising:

• generating, based on information acquired from different kinds of sensors, a plurality of kinds of image data corresponding to the sensors, respectively;
• storing the plurality of kinds of generated image data in memories, respectively;
• displaying, on a display unit, image data that is selected by a user among the plurality of kinds of image data, wherein each selected kind of image data is displayed on a respective separate display area of the display unit, wherein the image data that is selected by the user includes non-displayed image data not displayed on the display unit and displayed image data displayed on the display unit;
• and
• storing, in response to a predetermined report instruction, at least the selected displayed image data of an image displayed on the display unit at the timing of the report instruction and, among the image data stored in the memories at the timing of the report instruction, the selected non-displayed image data that is not displayed on the display unit, wherein
• in the image data stored in any one of the memories, when only a part of the image data is displayed on the display unit, the data collecting memory stores, as the non-displayed image data, at least a part of the image data corresponding to an area outside a displayed area of the display unit.