Graph documentation [was: Re: Meaning of GF settings]

Robert C. Helling helling at
Tue Jan 8 14:01:05 PST 2013

On Jan 8, 2013, at 9:01 PM, Linus Torvalds wrote:

> That said, I'm a bit surprised your Suunto isn't even *more*
> conservative than that, though. Do you perhaps set your Vyper to the
> 50% RGBM model setting? (I don't even know if it has that setting - my
> Vyper Air does).
>> I used the default parameters btw (GFlow 30 and GFhigh 75).
> If those are more conservative than even a suunto, I suspect we should
> make them less so for the default "show" to not make people worry.

I think it is well known by divers using Suunto computers for deco diving that if you want to get out of the water today you must set conservativism to 0 as anything else gives highly unrealistic values. 

I do my diving (actually: have done my diving) in the lakes south of Munich (e.g. Starnberger See) which are around 600m above sea level. For the Suunto's strictly speaking that requires setting them to mountain mode (above 500m) but that has the same effect as conservativism so nobody I know who dives here regularly does that. To that extend that I had friends visiting from lower parts of the country that hat set their Vypers to mountain mode A1 and after a typical dive in the 30m range had more than 30min more deco obligation than me (we skipped most of that of course).


Robert C. Helling     Elite Master Course Theoretical and Mathematical Physics  
                      Scientific Coordinator                                   
                      Ludwig Maximilians Universitaet Muenchen, Dept. Physik    
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