An X ray analysis apparatus has {HEAD ~ information} about {TAIL ~ a relationship} between selection of a measurement type and a replacement work of optical parts and shows, on a screen of a display, graphical information about optical parts which should be changed, to make it easy for an operator to perform a preliminary work before measurement 
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An X ray analysis apparatus has { HEAD ~ information } about { TAIL ~ a relationship } between selection of a measurement type and a replacement work of optical parts and shows , on a screen of a display , graphical information about optical parts which should be changed , to make it easy for an operator to perform a preliminary work before measurement
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH