A heating device in which uniform heating of an article to be processed is possible even in the case a temperature change which leads to a loss of the uniformity of the temperature distribution in a narrowly delineated area, and in which a reduction in the size of the device is possible. Image data and data of the description contents of the document stored in the freight tracking information database are viewed or searched by an authenticated operator who operates a user terminal. If the detected movement does not correspond to the at least one predefined movement profile, a further predefined movement profile is produced depending on the detected movement.