The PADI Tec Deep Diver Manual is the primary reference for the Tec 40, Tec 45 and Tec 50 courses. It comprehensively covers the required information for these intensive, extensive and rewarding courses and will guide your learning of the relevant techniques and procedures needed for:
Diving beyond recreational limits
Making planned staged decompression dives
Using multiple gas blends on a single dive
The indexed PDF format allows convenience in accessing the specific material required for each course on your computer both during or after training.