Getting Incorrect Readings - Suunto LUMI User Manual

Absolute air pressure is measured constantly
Absolute air pressure + Reference altitude = Sea level air pressure (
profile)
Absolute air pressure + Reference altitude = Altitude (
Changes in local weather conditions will affect altitude readings. If local weather
changes often, it is advisable to frequently reset the local reference altitude
value, preferably before starting your journey and when an altitude reference
value is available. If local weather is stable, the local altitude reference value
can be set just once a day.

6.1.3 Getting incorrect readings

+ standing still + weather change
ALTIMETER
If you use the
ALTIMETER
change and the weather changes, then your Suunto Lumi reads the weather
changes as altitude changes.
+ altitude moving + weather change
ALTIMETER
If the weather is frequently changing as you are either ascending or descending,
your Suunto Lumi will give incorrect readings.
+ altitude moving
BAROMETER
If you use the
BAROMETER
ascending or descending, your Suunto Lumi assumes you are standing still
and reads your altitude changes as weather changes.
20
profile for a longer period of time without any elevation
profile for a longer period of time as you are either
BAROMETER
profile)
ALTIMETER