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In message <Pine.3.87.9406091745.A6625-0100000@ak*> Epic Dive Shop writes:
>> On Fri, 10 Jun 1994 ddoolett@me*.ad*.ed*.au* wrote:
>> > I do not believe that a solo diver
>> > would have much luck operating an isolating manifold.
>>
>> on the contrary... in IANTD upper level classes the isolation
>> manifold is required equipment *AND* the students train on and
>> become *VERY* comfortable with operating them by themselves in
>> the pool *BEFORE* going to the open ocean with the equipment.
Twin _isolating_ manifolds are not yet available for standard UK tank threads
and there are many UK caves where back-mounted tanks are not an option and
even if you were using them, the chances of your beeing able to activate an
isolation manifold whilst in the confines of an underwater cave would be
rather limmited.
>> > Where there is considerable
>> > narcosis, the task loading of monitoring independent supplies
>> > can be a problem,
>>
>> if the diver cannot deal with mutiple tasks under narcosis, including
>> manifold switches, then this diver should *NOT* be in that situation.
Agreed.
|_| _ _ _ < Internet : harry@ra*.de*.co*.uk*
| | (_)_ | | |_| < CI$ : 100141,1632 <Harry Railing>
| < Snail : 90 Balham Grove, London SW12 8BE, UK
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