altimeter reading by +/- 100 meters even if you have stayed in
the same location. If possible, re-calibrate to a known altitude
when drastic pressure changes occur.
You only need to calibrate barometer OR altimeter, since they
rely on the same pressure. See Calibration Mode on page 38
for more information.
“Before I curl into my sleeping bag I note the current altitude and
barometric pressure. In the few hours I sleep if I see a change in
altitude or barometric pressure I can get an idea of the coming
weather patterns. As it is an inverse relationship between altitude
and barometric pressure, if I wake at the same or lower elevation
I can be confident the atmospheric pressure has remained con-
stant. If I rise to a higher altitude I need to be aware as there is a
chance a low pressure is moving in.”
-Conrad Anker
World-Renowned Mountaineer
condition and decide if you are on track for a successful ascent.”
-Conrad Anker
World-Renowned Mountaineer
To set the Target Altitude or Altimeter Alarm:
1. Press MODE until ALTI is shown.
2. Press and hold SET to start.
3. Press START/SPLIT (+) or STOP/RESET (-) to increase or decrease setting
values.
4. Press MODE (NEXT) to advance to the next setting option.
5. Press SET (DONE) to finish.
NOTE: The altimeter will display in either FT (feet) or M (meters)
depending on which display unit you chose in Time Mode. See
page 14 for information on setting units of measurement.
ATTENTION: Your altimeter is sensitive to weather changes!
Sudden changes in barometric pressure can change your
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