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Well, who ever wrote that...

	We are facing really cold water a lot of the time diving in Scandinavia.
And yes, we are using DIR. I think the need to reach ones valves is even
more
important in cold water applications. If you get a freeze up you need to
isolate
that reg fast. During all of our courses most of the students are able to do
this
after a while except those with convoluted gear like transpacs and users of
thick neoprene suits. Using DIR there normally should be no problems
reaching
your valves. I do easily. If I felt any hesitation I wouldn't dive.

	Regarding the isolator: during basic training you are taught to check that
it's not closed. Even if it's closed- it would take a very foolish person
(no offence)
not to discover that the pressure is not falling. It seems highly unlikely
for a technical
diver not being aware of that.

My thoughts,

Sigmund

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