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Irony Diaphane Chrono Standard


Measure the speed Base 100 or 1000 m.


1. The upper push-button when an action starts.

2. Once again to stop after a distance of 100 or 1000 m. Read the speed indicated by the 60 seconds counter (Retrograde: 30 sec.) on the tachymeter scale (km/h = kph).

3. The lower push-button to reset.