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When should I operate the Observer in Altimeter Use and when in Barometer Use?
Altimeter Use (half-moon
indicator below ALTI in the mode bar) is your choice when you
want to measure the altitude and there is vertical movement included in your activity. Baro-
meter Use is suitable for weather measurements.
A natural way to alternate between Altimeter/Barometer Use during a hike is to use the Ob-
server as altimeter when moving and as barometer when camping (no vertical movement ex-
pected). This way you will have more accurate information on both altitude and weather. Refer
to Chapter 3, Altimeter-Barometer Use.
NOTE: The modes TIME, ALTI, BARO, and COMP are different from the main operational
USE between Altimeter and Barometer.
What do the LCD segments on the circumference mean?
In the Altimeter mode, one full circle equals 1,000 meters or 1,000 feet; therefore the segments
on the circumference graphically show you the altitude over a full thousand.
In the Barometer mode, one full circle equals 100 hPa or 1 inHg, and the segments indicate the
pressure over a full hundred hPa or over a full inHg.
In the main Compass mode, the segments indicate the North and South (one-lit segment indi-
cates North, three-lit segment indicate South). If you have set the compass to track a certain
bearing, the segments on the circumference indicate the difference between the direction in
which you want to go and your actual bearing.
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