A. Use During Diving
CAUTION: Please observe the following for safe diving.
• When using this watch during diving, always make sure to receive the neces-
sary education and training and observe diving rules.
• Always make sure to use the “buddy system” *1 when diving.
• This watch is recommended to be used for recreational diving only to depths
of no more than 20 m in consideration of safety.
• It is recommended that the battery be replaced promptly. The battery life of
this watch is approximately 2 years after a new battery has been installed
(although this varies considerably depending on the frequency of use of the
water depth measurement function and other functions).
• Please make sure to allow for a suitable rest period after diving in accor-
dance with rules for diving safety. Flying in an airplane or moving to high
altitudes without allowing a suitable rest period after diving can cause decom-
pression sickness (bends).
*1:The buddy system refers to diving in pairs so that each person can look out
for the safety of the other.
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2. Use of this Watch
CAUTION
• When using this watch, please make sure that you have a thorough under-
standing of its handling and precautions relating to its use to ensure that it is
used correctly. Please note that handling this watch in a manner not
described in these instructions may cause it to function improperly.
WARNING
• The water depth measurement functions as well as the altitude and baromet-
ric pressure measurement functions of this watch are not certified for use as
officially sanctioned measuring instruments. They should only used as auxil-
iary measurements.
• The measured values for water depth, altitude and barometric pressure dis-
played by this watch should only be used for reference purposes as rough
indications of their respective values.
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