The 100-meter waterproofing of this product is retained by the
close contact between the O-ring of the Light Module, its O-ring
groove and the O-ring applying surface of the Battery Module.
Including the first use after purchase, be sure to perform the
following maintenance before using this product underwater.
· The O-ring is a consumable part, which should be replaced at
least every year. If any irregularity such as the one mentioned
on the next page is found, be sure to replace it with a brand-new
O-ring.
· Always use the specified silicon grease.
· If you notice any abnormality such as a crack, scratch, or dent on
the O-ring, replace it with a new one.
O-ring groove
O-ring applying surface
Scratch
Crack
Dent
47
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