On the basis of the data read from the card, the apparatus identifies the card as {HEAD ~ a card} belonging to the on line data system or {TAIL ~ the off line data system} 
On the basis of the data read from the card , the apparatus identifies the card as { HEAD ~ a card } belonging to the on line data system or { TAIL ~ the off line data system }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL