Next, referring to FIG 1, the embodiment of {TAIL ~ the visual start signal generating system} of {HEAD ~ the present invention} applied to swimming race will be explained below 
Next , referring to FIG 1 , the embodiment of { TAIL ~ the visual start signal generating system } of { HEAD ~ the present invention } applied to swimming race will be explained below
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH