When CT apparatus 8 starts scanning the patient in response to a command from scan controller 3, {HEAD ~ an instructing voice} is read out from {TAIL ~ the designated channel} in accordance with the data in the channel designation buffer at the proper timing in synchronism with the scanning operation, and is supplied through an amplifier 6 to a speaker 7 for its reproduction 
is read out from
When CT apparatus 8 starts scanning the patient in response to a command from scan controller 3 , { HEAD ~ an instructing voice } is read out from { TAIL ~ the designated channel } in accordance with the data in the channel designation buffer at the proper timing in synchronism with the scanning operation , and is supplied through an amplifier 6 to a speaker 7 for its reproduction
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL 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