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Planning Dives - Multigas Computer How do you plan dives with a multigas computer? Plan dives using desktop deco software Multigas dive computers do not calculate gas supply requirements Predive planning modes don’t allow for easy comparison of differing gases, depths etc. Multigas Trimix Computers What are two primary advantages of diving with a multigas trimix computer? Several trimix computers on the market Can be programmed with seven or more gas blends Computer calculates decompression based on actual dive depth, time and gasses Some interface with desktop deco software Advantages Precision - deco schedule based on actual dive profile Simplifies some emergency situations Presentation Two Overview Equipment II Gas Planning II Decompression II Techniques and Procedures II Emergency Procedures II Team Diving II Thinking Like a Trimix Diver II Practical Application Two Įquipment II Advantages of Fullface Masks Considerations for Fullface Masks Multigas Trimix Computers Planning Dives with a Multigas Computer Backups for Multigas Computers įullface Masks What is the primary advantage of using a fullface mask for trimix diving? Primary advantage of using a fullface mask is to reduce drowning risk in case of CNS convulsion or other loss of consciousness May allow additional comfort in cold water May be fitted with voice communication electronics CNS risk may be higher during trimix dives due to longer decompression - fullface masks may reduce the risk of drowning should CNS toxicity occur įullface Mask Considerations What are two primary considerations in using a fullface mask for trimix diving? Gas switches – you’ll switch gasses, at least for air breaks Use of valving and switch blocks not favored Conventional fullface mask may require entire mask removal – not typically preferred for tec diving continued… įullface Mask Considerations Primary considerations in using a fullface mask for trimix diving Gas sharing – mask should not interfere with providing gas to a teammate Conventional mask not suited for gas sharing Fullface mask tec compatibility Allows for use of standard second stages and no significant procedural changes DSAT Tec Trimix Diver Course Knowledge Development Presentation Two
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