The image display method displays image information to be viewed by a
person on display screens of a plurality of display apparatuses, is
capable of setting a mode of display as a registrable mode which includes
combination of at least two selectable items selected from the group
consisting of presence or absence of need for tracking display, presence
or absence of need for continued display, presence or absence of need for
identification of the person, and setting of a stop condition and
controls the display of the image information on the display screens of
the plurality of display apparatuses in accordance with the setting of
the registrable mode.