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The Orca Edge was an early example of a dive computer that ran a real time algorithm. [2] Designed by Craig Barshinger , Karl E. Huggins and Paul Heinmiller, the Edge did not display a decompression plan, but instead showed the ceiling or the so-called "safe-ascent-depth" and a graphic display of calculated tissue gas loadings.
In all cases the computer monitors the depth and elapsed time of the dive, and many allow user input specifying the gas mixture. [32] Most computers require the diver to specify the mixture before the dive, but some allow the choice of mixture to be changed during the dive, which allows for the use of gas switching for accelerated decompression.
The approach to training in the use of a dive computer has changed over time. Originally a dive computer was considered special equipment, and the user was responsible for ensuring that they knew how to use it correctly. The AAUS recommendations from the Dive Computer Workshop of 1989 stipulated passing a written exam before scientific divers ...
The low price and convenience of many modern dive computers mean that many recreational divers only use tables such as the RDP for a short time during training before moving on to use a diving computer. Dive computers are also used as they calculate no-decompression limits based on the whole dive whereas the RDP is much more conservative and ...
After the mix is confirmed and in use, the diver will switch over the computer to select the current gas from the menu, so that decompression computation can remain correct. [59] [36] [61] [13] It is not unusual for deep technical dives to require three or four gas mixtures in addition to bottom gas, which is generally carried in back-mounted ...
Advanced Diving Equipment Company – American manufacturer of surface supplied diving helmets – Swindell free-flow open circuit air helmets. [1]Aeris (dive gear) – American brand of scuba equipment Originally a brand of American Underwater Products, founded in 1998, and merged into a sister-brand, Oceanic, in 2014.
Oceanic developed the first HUD style mask, which is an eyes-and-nose diving mask with a built-in LCD display, commercially known as a DataMask, capable of providing various dive data from an on-board diving computer.
The DIR philosophy is opposed to the use of dive computers. Most other technical diver training agencies recommend using two — a primary and a backup. Doing it Right: The Fundamentals of Better Diving page 119 lists 13 reasons why DIR consider dive computers to be bad.
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