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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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