Olympus PT-047 Mode D'emploi page 55

6. Maintaining the Waterproof Function
Whenever you open the rear lid of the Case, always be sure to perform
the O-ring maintenance operation as described below.
Perform at the location without sand or dust, after washing and drying your
hands.
Remove the O-ring
1 Insert the O-ring remover between the O-ring and the O-ring groove.
2 Slip 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.)
3 Hold 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, 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
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