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| | | 5 Functions at the surface 5.2 Residual nitrogen bar graph The segments in the residual nitrogen bar graph will gradually turn off as Aladin® follows the offgassing of your tissues during your surface interval. There is a 1:1 equivalence in the meaning of the segments between diving and surface. Thus, on a repetitive dive the bar will resume from its status on the surface just prior to the dive. There are two exceptions however: • the uppermost segment will stay lit until the desaturation time is completely extinguished. This is done to show that there is desaturation time left and that a dive started at this point will be logged as a repetitive dive. If the remaining desaturation time is very short, this segment could however at first disappear during the dive; • during the 24 hours of an SOS-lock, all segments will stay on. | | |
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| | | No-fly time and Microbubble warning 5 minutes after a dive Aladin® shows the time of day, the <do not fly time>, the microbubble warning (if applicable), the current altitude range and the prohibited altitude range (->27). No-fly time is the time in hours that should pass before a flight and is displayed and adjusted until the value becomes 0 hours. | | |
| | | 5.3 Desaturation time, No-fly i time Do not fly icon Microbubble warning | | |
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| | | | | | | | | | ^^WARNING | Flying while Aladin® displays <do not fly> may lead to serious injury or death from decompression sickness. | | | | ^^WARNING | If the <microbubble warning (NO DIVE)> is visible during the surface interval, the diver should not undertake another dive. | | | | | | | | | |
| | | :?B.3? J 1 102 C 1% | | |
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| | | Time of day Residual nitrogen bar Ascent to altitude range 4 prohibited | | |
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| | | The duration of the microbubble warning is visible by entering the dive planner ->35. | | |
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| | | To check the remaining desaturation time and oxygen toxicity press ¿0 CP . | | To check the elapsed surface interval press co cp . | | |
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| | | Desaturation time | Residual nitrogen bar Oxygen toxicity Desaturation time is determined either by oxygen toxicity, nitrogen saturation or the regression of microbubbles, depending on which requires the longer time. | | |
| | | Surface interval | | |
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| | | Through repetitive dives microbubbles accumulate in the lungs if the surface interval is not long enough. Ignoring decompression stops or ascending at an excessive rate can also lead to microbubbles in tissues. In order to reduce the risk of decompression sickness for repetitive dives, the surface interval should be planned long enough. If Aladin® calculates that the formation of microbubbles occurs during the surface interval, it will advise a diver to extend the surface interval via the microbubble warning. If the dive is made in spite of the microbubble warning, the diver must cope with a clearly shorter no-stop time or an extension of decompression. Also, the duration of the microbubble warning at the end of the dive can increase considerably. | | |
| | | NO | | |
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| | | Microbubble warning | | |
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| | | 26 | | |
| | | III UWATEC® Aladin® dive computers | | |
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