SUUNTO AMBIT - Manual (Page 49)

9 USING ALTI & BARO MODE
In ALTI & BARO mode you can view the current altitude or barometric pressure.
It offers three profiles: Automatic, Barometer and Altimeter. For information
on setting profiles, see Section 9.2.1 Setting profiles on page 52.
You can access different views depending on which profile is activated when
you are in
ALTI & BARO mode.
9.1 How Alti & Baro works
To get correct readings with ALTI & BARO mode, it is important to understand
how Suunto Ambit calculates altitude and sea level air pressure. Suunto Ambit
constantly measures absolute air pressure. Based on this measurement and
reference values, it calculates altitude or sea level air pressure.
CAUTION: Keep the area around the sensor free of dirt and sand. Never insert
any objects into the sensor openings.
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