What is the o-ring, English – Sony MPK-THB User Manual
Page 7
1-GB
English
* The Marine Pack you are using may not necessarily be the one in the
illustrations.
What is the O-ring?
The O-ring ensures the waterproof qualities of the Marine Pack or other
equipment.
O-ring maintenance is very important. Failure to
carry out O-ring maintenance according to the
instructions may lead to water leakage and cause
the Marine Pack to sink.
O-ring