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E-30
7. Maintaining the Waterproof Function
Remove the O-ring.
Open the Case and remove the O-ring from the Case.
Removal of the O-ring
ᕃInsert the O-ring remover between the O-ring and the O-ring groove.
ᕄPass the tip of the inserted O-ring remover below the O-ring. (Be
careful not to scratch the O-ring groove with the tip of the O-ring
remover.)
ᕅHold the O-ring with your fingertips after it has come out of the
groove and remove it from the Case.
Remove any sand, dirt, etc.
After visually checking that dirt has been removed from the O-ring,
checking for attached sand and other foreign matter, as well as for
damage and cracks can be done by squeezing the entire circumference
of the O-ring lightly with your fingertips.
Whenever you open the rear lid of the Case, always be sure to
perform the O-ring maintenance operation as described below.