Crane AU7-PF-23GA Manual Del Usuario página 19

DIN 8310 for the pulse watch.
− Do not push the buttons if the pulse watch is wet. Water
may penetrate the housing through the buttons and dam-
age the clockwork.
− Keep in mind that salt and thermal water could cause met-
al parts to corrode.
− It is recommended that you do not wear the pulse watch in
the sauna as condensation can form due to the differences
in temperature and damage the pulse watch as a result.
− Movements during swimming or a water stream (e.g. when
showering or washing your hands) could cause peaks in
pressure. The applicable areas of the pulse watch are sub-
jected to significantly greater forces than presumed based
on the depth alone. Only watches with a classification of
Safety
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