Before using this watch
3
About altitude measurement
This watch does not function as a specialized altitude-measuring equipment
certified by any authority or regulating standards. Use the indicated altitude only
as a reference.
WARNING
Do not use the altitude measurement function of this watch in the
following cases:
• When actions or situation judgments involving risks are required.
• When rapid changes in altitude occur such as when skydiving or hang-
gliding.
• When wearing the watch under water such as in skin diving.
• When the situation requires special treatments.
CAUTION
Altitude may be measured improperly in the following cases:
• When air temperature changes sharply.
• When atmospheric pressure largely changes accompanying with changes
of weather conditions.
• When the function is used in places where atmospheric pressure is
conditioned constant (such as in an airplane).
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