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E-31
:•Maintenance of the waterproof functions is required even
before using this product underwater for the first time.
•When a mechanical pencil or a similar other sharp object
is used to remove the O-ring or to clean the inside of the
O-ring groove, the Case and the O-ring may be damaged
and water leakage may be caused.
•When the O-ring is checked with the fingertips, take care
not to stretch the O-ring.
•Never use alcohol, thinner, benzene or similar solvents or
chemical detergents to clean the O-ring. When such
chemicals are used, it is to be feared that the O-ring will
be damaged or that its deterioration will be accelerated.
CAUTION
Remove any foreign matter attached to the O-ring groove using a lint-
free clean cloth or cotton swab. Also remove any sand or dirt attached
to the O-ring contact surface on the front lid of the case.