Remove any sand, dirt, etc.

After visually checking that dirt has been removed from the O-ring, checks for sand and other foreign matter adhered, damage and cracks can be done by squeezing the entire circumference of the O-ring lightly with your fingertips.

EN

Remove any foreign matter adhered to the O-ring groove using a lint-free clean cloth or cotton swab. Also remove any sand or dirt adhered to the O-ring contact surface on the front lid of the case.

CAUTION:

Maintenance of the waterproof functions is required even before using this product underwater for the first time.

When a mechanical pencil or a similar 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 occur.

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, the O-ring may be damaged or its deterioration will be accelerated.

EN 30