the associating information storage component is configured to associate each of a combination of {TAIL ~ a reduced image display region} and an observation display region, a combination of {HEAD ~ reduced image display regions}, and a combination of observation display regions with the image processing to be performed 
the associating information storage component is configured to associate each of a combination of { TAIL ~ a reduced image display region } and an observation display region , a combination of { HEAD ~ reduced image display regions } , and a combination of observation display regions with the image processing to be performed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH