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(c) Placing heavy objects on top of the Case
(4) When the Case is not used for a long time, trouble from formation of mold etc. may be
caused. Before use, confirm the operation of all operation parts and perform the
advance test and the final test.
Q5: What cautions must be observed when opening and closing theCase?
A5: Pay special attention to the following items.
(1) Do not open and close the Case at locations with water spray or sand spray.
(2) Wipe off all waterdrops from the gap between the front lid and the rear lid and around
projections and recesses such as the buckles. When this is not done, entry of
waterdrops into the Case is to be feared at the time of opening and closing.
(3) When opening the Case, take care that no water will drip from your hair or body into
the Case or onto the camera.
(4) When the case is open, examine the O-rings and the O-ring contact surfaces on the
front lid for foreign matter such as hair, fiber, and grains of sand. Remove these if
present. Also examine the O-rings used for connection of the case and port.
(5) Do not touch the camera or the image storage with your hands to which sea water is
sticking.
(6) If you should detect waterdrops or other signs of water leakage while shooting,
immediately end the dive, perform the water leakage test again, and confirm that there
is no leakage. If the camera is wet, wipe off any moisture and check the operation.
Q6: How should the Case be handled after use?
A6: After use, take out the camera as soon as possible and wash the Case with pure
water. In case of use in the ocean, it is effective to immerse the Case for a certain time
in pure water to remove any salt. Operate the buttons and levers under water to turn
the shafts and wash off any salt. After washing, use a dry cloth without any salt on it to
wipe off any moisture and dry the Case in the shade. Do not use hot air from a hair
drier or the like and do not dry the Case under direct sunlight. Exposure to high
temperatures or direct sunlight may cause deformation, discoloration or breakage of
the Case and deterioration of the O-ring. Wipe the inside of the Case with a soft cloth
not causing any fibers. Remove the O-ring, wipe off any salt, sand, dust, etc., and also
clean the O-ring groove and the O-ring contact surface in the same way and then dry
them. When an object with a sharp tip is used to remove the O-ring from the groove,
the O-ring may be damaged and water leakage may be caused. Always use the
accessory pick for O-ring removal.
Q7: How can I check for water leakage?
A7: For confirmation, perform the advance test and the final test after loading the camera.
The advance test with immersing the Case without the camera to the intended use
depth to check for water leakage is the most accurate test, but when this is difficult, it
is safer to perform this test even at a depth of 1 m or in a bathtub. The final test also
can be performed in a bathtub or a bucket.
Q8: What are the causes for entry of water?
A8: The main causes for the entry of water are shown below. Please check them most
carefully.
(1) Forgetting to install the O-ring
(2) The O-ring is partly or completely outside the groove.
(3) Damage, deterioration, or deformation of the O-ring