Over the past decade, dive computers have gone from novelty to necessity. Where divemasters once asked, “Who is using a computer?” they now ask, “Who isn’t?” When used responsibly, modern dive computers enjoy excellent safety records, allow greater flexibility in the dive plan and provide an accurate record of the actual dive profile. Most dive professionals feel that new divers should gain a strong working knowledge of dive table theory before moving into computers. While opinions differ as to when it is appropriate to make the transition to “electronic tables,” most agree that computers should always be considered an aid to dive planning rather than an absolute authority.The most popular segment of the market centers around compact, midprice models – many of these include standard features that weren’t available with high-end designs just a few yeas ago. For under $500, you can get a number of compact, full-feature products that are easy to operate, yet are sophisticated enough to adapt the dive plan according to your actual underwater behavior.Other “high-end” features now common on midrange computers include Nitrox and decompression diving capabilities, extensive internal memories and the capability to transfer logbook information to a personal computer. Best of all, these sophisticated instruments are set in compact, rugged housings that can be worn on the wrist or integrated into a conventional scuba console.SPORT PLUSFeatures: Adaptive algorithm modifies dive plan based on water temperature and actual in-water behavior; automatic activation; touch prompt accesses dive plan and log; ascent rate alarm; full decompression information; PC download; long-life battery; altitude compensating.MSRP: $360 (wrist), $498 (console)Contact: 800-728-2277
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