SUUNTO Elementum Ventus - Manual (Page 15)

Compare the air pressure graph to the lines printed on the display. When the
air pressure has dropped 4hpa/0.12inHg or more during a 3-hour period (last
4 readings), there is a high possibilty of bad weather. Rising air pressure graph
indicates good weather.
NOTE: The air pressure graph is valid only if your altitude has not changed.
2.2 Sailing mode
SAILING mode features a sailing timer and a race timer, which help you measure
the time to start and the time during the race.
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