Multilevel and Computer Diving:
For the first 30 years or so, recreational dive time underwater was the no decompression limit of the deepest depth reached. Period. But no more. Today, multilevel diving gaining more no decompression time by ascending to shallower depths where nitrogen absorption is slower-is more the rule than the exception. Thanks to multilevel diving, in most environments you can stay underwater as long as you have air and warmth, this breakthrough springs from modern dive computers, The Wheel version of the Recreational Dive Planner and other advances in decompression theory.
Whether you favour coral reefs or inland lakes, most dive sites have opportunities to multilevel dive. Any place you find a sloping reef, wall or other topography that allows you to start deep and move to shallower depths, you can plan a multilevel dive with your computer or the wheel. Even many wreck dives will allow multilevel dives in which you start on the deeper parts of the wreck, and gradually ascend to the wreck’s upper structure. Multilevel diving is your ticket to more of what you first got into diving for-time under water. No wonder more and more divers consider their computers as essential as their masks and regulators.
PADI 5 Star National Geographic Instructor Development Center. 198/12 Rat-U-Thit Road, Patong, Phuket, Thailand. Phone: (+66) 076292052 Fax: (+66) 076293034
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