 Adjust buoyancy if necessary. Whether the diver is weighted neutral or negative will depend on the mission requirements. • Ensure that air supply system, helmet or mask, and communications are functioning properly. If not, corrections must be made prior...  The NOAA Diving Manual: Diving for Science and Technology - Page 69by United States. National Oceanic and Atmospheric Administration. Manned Undersea Science and Technology Office - 1975 - 368 pagesFull view - About this book
 | John Warlaumont - 1993 - 624 pages
...neutrally or negatively will depend on the dive's objectives. • The tender should re-verify that the air supply system, helmet (or mask), and communications...functioning properly. If not, corrections must be made before the diver's descent. The tender should check for any leaks in the air supply fittings or suit... | |
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