Screen Shots from the german version

(the english version V2_901_e looks very similar ...)

a dive to: 30 m, 45 min bottom time with Nitrox 36:

NDL Table for Air and a Nitrox 34:

Mountain Lake diving at 1.500 m altitude with a Nitrox 32,
respiratory quotient = 1.25, SAC = 17 L/min


Bounce Dive to 50 m, 15 min

with different Deco-Prognoses and the PMRC Simulation:
TTS = time-to-surface

(original Buehlmann coefficients, pls. cf. [65], p. 228)

Change to Hahn/DECO 2000 coefficients:


Comparison of various "deep stop" strategies:

  • Method Haldane is the standard pressure reduction with the ratio 2:1
  • Method Hills, according to Brian Andrew Hills, from his famous book "Decompression Sickness"
  • PDIS (Profile Dependant Intermediate Stop) is the new UWATEC method, where the leading compartments are with the halftimes TAU = 10 and 20 minutes


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