GLOSSARY
TABLES
FORMULAS
DIVE TABLES
INDEX
5CHAPTER
6CHAPTER
7CHAPTER
Dive Tables and
Dive Computers 52
Learning goals ....................................................54
Dive tables ...........................................................54
Enriched air nitrox dive tables ..........................54
NAUI enriched air nitrox tables ..........................56
Equivalent air depth and
standard air dive tables .....................................57
Equivalent air depth by table .............................58
Calculating equivalent air depth .......................59
Using the OCEANx to establish
equivalent air depth ..........................................60
Using the NAUI RGBM nitrox dive tables ..........61
The rule of halves ...............................................62
Dive computers and nitrox ................................62
Knowledge review ...............................................64
Oxygen Precautions and
Preparing Nitrox 66
Learning goals ....................................................68
Oxygen handling ................................................68
Equipment considerations .................................69
Oxygen cleaning .................................................69
The 40% rule ......................................................69
Equipment preparation ......................................70
How nitrox is made ............................................71
Partial-pressure mixing .....................................71
Continuous-flow mixing ....................................72
Pre-mix ...............................................................72
Pressure swing absorption ..................................72
Membrane separation ........................................73
Your responsibility ..............................................74
Knowledge review ...............................................75
Knowing What
You Breathe 78
Learning goals ....................................................80
Oxygen analyzers ................................................80
Analyzing your gas .............................................81
Cylinder labeling ................................................82
Filling out the logbook ......................................82
Knowledge review ...............................................83
Glossary 85
Tables and Charts 91
Formulas 95
Dive Tables 97
Index 101
Getting the most out of this book
Throughout this study book there will be sections
that require your special attention. The following icons
are used to mark these sections.
Indicates that you should take note of the
information, because it forms the basis for
the final exam.
Indicates information that will help you
complete the knowledge review at the end
of the chapter.
VII
Table of Contents
Table of Contents