Using the read data to be processed , {HEAD ~ the command generating unit} 109 generates commands of {TAIL ~ the kind} shown in FIGS 2A and 2B 
Using the read data to be processed , { HEAD ~ the command generating unit } 109 generates commands of { TAIL ~ the kind } shown in FIGS 2A and 2B
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH