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Diffstat (limited to 'Documentation/user-manual.txt')
-rw-r--r-- | Documentation/user-manual.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/user-manual.txt b/Documentation/user-manual.txt index 7be483484..0735fb1ce 100644 --- a/Documentation/user-manual.txt +++ b/Documentation/user-manual.txt @@ -2991,8 +2991,8 @@ Such dives are planned in three stages: *a) Nitrogen management*: This is performed by specifying the rates for descent and ascent, as well as the deco model (GFLow, GFHigh or Conservatism level) under the headings _Rates_ and _Planning_ -to the bottom left of the planning screen. Two deco models are supported the Buehlmann model and the VPM-B -model. Select one of the two models. When selecting the Buehlmann model, the gradient factors (GF_high and GF_low +to the bottom left of the planning screen. Two deco models are supported the Bühlmann model and the VPM-B +model. Select one of the two models. When selecting the Bühlmann model, the gradient factors (GF_high and GF_low need to be specified. Initially, the GFHigh and GFLow values in the _Preferences_ panel of _Subsurface_ is used. If these are changed within the planner (see _Gas Options_ within the planner), the new values are @@ -3002,7 +3002,7 @@ A very low GFLow value brings about decompression stops early on during the dive If the VPM-B model is selected, the Conservatism_level needs to be specified on a scale of 0 (least conservative) to 4 (most conservative). This model tends to give deco stops at deeper levels than the Beuhlmann model and often results in slightly shorter -dive durations than the Buehlmann model. When selecting one of these models, keep in mind that they are NOT exact physiological models but +dive durations than the Bühlmann model. When selecting one of these models, keep in mind that they are NOT exact physiological models but only mathematical models that appear to work in practice. For more information external to this manual see: @@ -3010,7 +3010,7 @@ For more information external to this manual see: * link:http://www.tek-dive.com/portal/upload/M-Values.pdf[Understanding M-values by Erik Baker, _Immersed_ Vol. 3, No. 3.] * link:http://www.rebreatherworld.com/general-and-new-to-rebreather-articles/5037-gradient-factors-for-dummies.html[Gradient factors for dummies, by Kevin Watts] * link:http://www.amazon.com/Deco-Divers-Decompression-Theory-Physiology/dp/1905492073/ref=sr_1_1?s=books&ie=UTF8&qid=1403932320&sr=1-1&keywords=deco+for+divers[_Deco for Divers_, by Mark Powell (2008). Aquapress] Southend-on-Sea, UK. ISBN 10: 1-905492-07-3. -An excellent non-technical review that discusses both the Buehlmann deco model and the VPM-B model. +An excellent non-technical review that discusses both the Bühlmann deco model and the VPM-B model. The ascent rate is critical for nitrogen off-gassing at the end of the dive and is specified for several depth ranges, utilising the average (or mean) depth as a yardstick. The mean depth |