Posted by Steve on February 20, 2003 at 14:43:54:
In Reply to: Re: Modern J valve posted by DiverD on February 19, 2003 at 14:13:58:
"I would think an air integrated dive computer that beeps at you when you're low on air would be the modern equivelent."
Doesn't work for any hearing impaired divers. Or when the computer shuts down and fails.
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