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In cave diving (or at least my diving), turning a dive has always been
accomplished by a thumbs-up which is an unambiguous "end of dive"
signal. A vertical twirling index finger means "turn around" and is used
to indicate that you want to do a 180 from your present position. Using
the vertical twirling index finger to indicate the end of a dive is too
ambiguous and could mean, "we can't go any further here, let's turn
around (and maybe explore another passage)" or simply, "let's turn
around." The dive may or may not be over. If after giving that signal
your dive bud gives you a "why" then a further conversation might ensue.
The thumbs-up means the dive is over - period. If the dive is over there
is no discussion, exit and discuss it at Wendy's.

Later,

JoeL

----- Original Message -----
From: <RDecker388@ao*.co*>
To: <Jsuw@ao*.co*>
Cc: <techdiver@aquanaut.com>
Sent: Thursday, March 22, 2001 7:36 AM
Subject: Re: Rule of 3rd,Handsignal-Q


> Jan,
>
> Isn't the thumb-up/index finger extended signal typically interpreted
to mean
> to make contact with the line and exit?  The twirling finger seems to
be
> fairly universally recognized both in cave and wreck diving
situations.
>
> Bob D.
> www.SportDiverHQ.com
>
> In a message dated 3/22/01 4:09:52 AM Eastern Standard Time,
Jsuw@ao*.co*
> writes:
>
> > The signal is the ascent signal (thumb up) with the index finger
extended,
> as
> >
> >  if to point to the cave entrance, or ascent line on a wreck.  The
thought
> > was
> >  that this was a universal signal, with meaning for both cave and
wreck
> >  diving.  Both indicate a normal ascent procedure, with a return to
the
> >  support available on an open water ascent line, or an unhurried
exit from
> a
> >  cave.
>
>
> --
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