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Incorporating consistency with real physical laws for gas kinetics
10.2.1. Suunto RGBM adaptive decompression
The Suunto RGBM algorithm adapts its predictions of both the effects of microbubble
build-up and adverse dive profiles in the current dive series. It also changes these
calculations according to the personal adjustment you select.
The pattern and speed of decompression at the surface is adjusted according to mi-
crobubble influence.
On repetitive dives, adjustment may also be applied to the maximum allowable nitrogen
overpressure in each theoretical tissue group.
Depending on the circumstances, Suunto RGBM will adapt the decompression oblig-
ations by doing any or all of the following:
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Reducing No-decompression Stop dive times
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Adding Mandatory Safety Stops
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Increasing Decompression Stop times
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Advising an extended surface interval (Diver Attention symbol)
Diver Attention Symbol – Advice to Extend Surface Interval
Some patterns of diving cumulatively add a higher risk of DCI; for example, dives with
short surface intervals, repetitive dives deeper than earlier ones, multiple ascents,
and substantial multiday diving. When this is detected, in addition to adapting the de-
compression algorithm, the Suunto RGBM model will in some circumstances also
advise, with the Diver Attention Symbol, that you extend your surface interval.
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