Suunto TRAVERSE series User Manual page 20

to switch from the Barometer profile to the Altimeter profile when you started
moving in the morning. You know that the current altitude readings given by
your Suunto Traverse are wrong. So, you hike to the nearest location shown
on your topographic map for which an altitude reference value is provided.
You correct your Suunto Traverse altitude reference value accordingly and
switch from Barometer to Altimeter profile. Your altitude readings are correct
again.
Incorrect readings
If your Altimeter profile is on for an extended period of time with the
device in a fixed location while the local weather changes, the device will
give incorrect altitude readings.
If your Altimeter profile is on and the weather changes frequently while
you climb in altitude or go down in altitude, the device will give you
incorrect readings.
If the Barometer profile is on for an extended period of time as you climb
in altitude or go down in altitude, the device assumes that you are
standing still and interprets your changes in altitude as changes in sea
level air pressure. It will therefore give you incorrect sea level air pressure
readings.
3.2.3 Using Altimeter profile
The Altimeter profile calculates altitude based on reference values.
The reference value can either be sea level air pressure value or
altitude reference value.
When the Altimeter profile is activated, the altimeter icon is shown on
the display.
When the Altimeter profile is activated, you can access the following
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