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Accumulated time function:
To measure the combined time of a series of
shorter events, for example the actual play-
ing time of a football game, where play is
repeatedly interrupted:
1. Push button A to start the stopwatch
when the event begins.
2. Push button A to stop the timing when
the event is halted.
3. Press button A again when the event
resumes.
4. Repeat steps 2 and 3 until event is ended.
5. Push button B to reset to zero.
Split-time function:
To take intermediate time readings as a race
progresses:
1. Press button A to start chronograph.
2. Press button B to momentarily stop