system start-finish
This is an electronic - optical system that fixes the time of the athlete at the start and at 
the moment of crossing by the participant of the final mark of the distance. The start time 
is instantly recorded at the time of exit from the "Start" installation. "Finish" is recorded 
by a digital camera, the timer-device fixes the time to within a thousandth unit.
 Time after the start is transferred to the monitor - it allows you to quickly transmit 
 information on the air, monitor the progress of the match until its end and see the
 results almost immediately after the competition.