TEKMAGIC W19-B Manual Del Usuario página 6

3.5 Press the MODE button once to exit the stopwatch mode.
：
<Note>
1. The stopwatch timing range is 0'00"00 to 23:59'59".
2. If you don't stop the timing, the stopwatch will continue to timing and start timing from
0'0''00 even the timing is over 24 hours and you have exited the stopwatch mode.
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