Video Test and eBook Download

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Student Materials

The PDF documents listed below will work on your desktop or laptop computer, iPad, Windows or Android tablets — or any other device that can read PDFs. Bear in mind, however, that you will be able to take advantage of the hyperlinks and other navigation features only if you open them in Adobe Acrobat Pro, Acrobat Reader or another app that is 100 percent compatible with Adobe Acrobat.

Gas Management and SAC Rate Calculator Spreadsheets

These spreadsheets are essential to successful completion of the xTek 45 course. The ZIP file contains both metric and imperial versions of each spreadsheet, plus a one-page PDF that provides step-by-step instructions in their use. Download now.

xTek 45 Manual

The NASE xTek 45 manual is a digital eBook that serves as a companion piece to the xTek 45 course. It covers the same topics, in the same order. It is designed to be used as a reference before, during or after the course. The Appendix contains additional “how to” articles, plus a variety of charts, tables and formulas. This is another “must have” download. Download now.

xTek Basics and Rescue Manual

The xTek 45 course picks up where the xTek Basics and Rescue course ends. However, if you did not do your technical basics training with NASE, or it has been a while since you did, it is important you make sure you are up to speed on all of the knowledge we cover in the Basics and Rescue course before beginning xTek 45. This book will help you do so. Download now.

NASE Nitrox Diver Manual

If your entry-level Nitrox Diver course did not cover Equivalent Air Depths (EADs) or “CNS Clock” calculations, it’s important you become familiar with these concepts before beginning xTek 45. You will find this information in Part Two of the NASE Nitrox Diver manual. Part One also provides a good review of the fundamentals of diving gas mixtures other than air. Download now.