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● O-ring is a type of seal used to make underwater
cameras, strobes and other diving instruments,
waterproof.
It looks like a big, thick rubber band.
● The O-ring is an important component that protects the
camera from water by keeping the marine case airtight.
● As a general rule, each time before using
(Salt crystals are formed when seawater that entered the O-ring groove dries.
Salt crystals just like sand, can cause water leakage.)
● When shooting on the sandy seabed, or when the camera is placed on the
sand
● When not used for a long period of time
● Remove the O-ring
¹ To inspect the O-ring, use the pick supplied to remove it from the O-ring groove.
¹ Do not use knifes, scissors, tweezers, and other sharp objects which might damage the
O-ring and the O-ring groove.
What is O-ring?
When should the O-ring be inspected?
Inspection and maintenance of the O-ring
O-ring
O-ring
WR-MG250_SHEET_EN_A5.book Page 2 Wednesday, May 13, 2009 9:34 AM