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Antonio

>In the dive number 7, between the minute 17 and 20 the Aladin changes   
sevaral
>times from a decostop (1 minute at
>3 meters) to a no decostop  (from 8 to 99 minnutes).

>Can anybody explain this strange behaviour?

Here is my hypothesis:

If you look at the tissue loading bars, you will see that certain tissues   
are still on gassing (red) and others are off gassing (green) during the   
ascent portion of the dive that you mention.  The reason a no stop dive   
was displayed is that the controlling tissue went below the critical   
point that required a stop and there were no other tissues that were   
above this critical point.  However, as the ascent continued one of the   
faster tissues which was still on gassing during the ascent will have   
gone above the critical point and a deco stop was mandated.  Very soon   
after, this tissue off gassed sufficiently to fall below the critical   
point and the display reverted to no stop dive.

Dave
shimell@se*.co*
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