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INTRODUCTION
16
Inspecting the Cover O-rings
The battery cover and terminal cover are fitted with rubber
gaskets called “O-rings” that keep water from entering the
camera. Even very fine pieces of foreign matter (a single
hair, a single grain of sand, etc.) on an O-ring can result in
incomplete sealing and allow water to leak inside. Note that
water leaking inside the camera results in unrepairable dam-
age. Make sure you periodically inspect the O-rings, O-ring
grooves, and contact surfaces for cracks, deformation, dirt,
and dust. Use a soft, dry cloth to wipe all dirt and dust from
the O-rings and their contact surfaces.
Battery cover Terminal cover
O-ring
O-ring groove
Contact
surface
O-ring
Contact
surface
If you find dirt on an O-ring...
• Carefully remove the O-ring. Use a cotton swab moistened
with water to wipe dirt from the O-ring groove and contact
surface.
• Wash the O-ring in water, dry it off, and then replace it into
the O-ring groove.
• Make sure the O-ring enters the groove securely, as far as
it will go.
IMPORTANT!
• Never pull on an O-ring with excessive force or try to
expand an O-ring.
• Never apply grease or oil to an O-ring.
• Never use a pointed object to remove an O-ring. Do-
ing so can damage the O-ring and lead to leaking.
• Excessive twisting of an O-ring can cause leaking. Al-
ways handle O-rings with care.
• Have an O-ring replaced whenever it becomes cut,
damaged, or deformed. You should also have O-rings
replaced every two years, regardless of their condi-
tion. Take your camera to your nearest CASIO main-
tenance service provider to have O-rings replaced.
Note that you will be charged for O-ring replacement.
If you frequently use your camera where it is exposed
to water, sand, or dust, we recommend that you have
the O-rings replaced once a year.