The operating instructions means is for: acquiring the types of the necessary optical parts corresponding to the measurement type which has been acquired by the measurement type acquisition means in accordance with the relationship which is stored in {HEAD ~ the storage}; comparing the types of the necessary optical parts with {TAIL ~ the types} of the installed optical parts which have been identified by the sensors to recognize one or more mismatched optical parts; and allowing graphical information to be displayed on the display in connection with the mismatched optical parts 
The operating instructions means is for : acquiring the types of the necessary optical parts corresponding to the measurement type which has been acquired by the measurement type acquisition means in accordance with the relationship which is stored in { HEAD ~ the storage } ; comparing the types of the necessary optical parts with { TAIL ~ the types } of the installed optical parts which have been identified by the sensors to recognize one or more mismatched optical parts ; and allowing graphical information to be displayed on the display in connection with the mismatched optical parts
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