A description will now be given of the operation of the voice instructing apparatus at {TAIL ~ the time} a patient is actually scanned by {HEAD ~ CT apparatus} 8, under the given conditions that many instructing voices are stored in RAM 1b of recording/playback device 1 and each patient ID data and scan condition data have been registered in host controller 4 
A description will now be given of the operation of the voice instructing apparatus at { TAIL ~ the time } a patient is actually scanned by { HEAD ~ CT apparatus } 8 , under the given conditions that many instructing voices are stored in RAM 1b of recording / playback device 1 and each patient ID data and scan condition data have been registered in host controller 4
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