Tachymeter - BREIL CHRONO Mode D'emploi

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TACHYMETER*

The Tachymeter is used to measure the speed of a vehicle. By knowing how many
seconds the vehicle to travel one kilometre, the tachymeter can measure the
approximate average speed in km/h during a journey (over a maxinum measurable time
of 60 seconds).
If the chronograph is started at the same time as the start of the distance measurement,
and stopped after 1km, the average speed can be calculated from the position of the
second hand. If the vehicle covers the distance one km in 45 seconds, the approximate
average speed is 80 km/h.
* Not available on all models
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