On Mon, Aug 04, 2014 at 02:59:55PM +0200, Robert Helling wrote: > > 1. I THINK that this is what Robert communicated to me at some stage > > but I am not sure. We need input from Robert here, especially since > > some of the user manual for the planner was written before the > > finalisation of the planner UI. To be safe, I would keep all PO2max > > values in the user manual to 1.5, even if one can set it higher in the > > planner setup values. > > > > I don’t want to recommend anything. The planner switches to gases when > they become available. That is determined as follows: > > When you add a new cylinder/gas or change the O2 fraction of that gas, > the planner calculates the “switch at” column to be the deepest integer > multiple of 3m/10ft where that gas is allowed according to the deco pO2 > setting. That can be overwritten manually by typing in that column. > > The reason for choosing 1.6bar as default deco pO2 was that this gives > MODs of 6m for pure Oxygen and 21m for EAN50. If you change to 1.5bar > you get 3m/18m according to the above rule (which is not what I use and > I thought 6m/21m are pretty much standard values). From what you can > read, 1.6bar is a bit on the aggressive side but my impression is this > is pretty much what everybody does with staged deco. > > Therefore I would suggest to use 1.6bar as well for the examples of the > manual since that does not lead to surprises for gas switch depth. But > that is my subjective opinion.
I agree with Robert here. /D _______________________________________________ subsurface mailing list [email protected] http://lists.hohndel.org/cgi-bin/mailman/listinfo/subsurface
