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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. [31] 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.
A dive computer, personal decompression computer or decompression meter is a device used by an underwater diver to measure the elapsed time and depth during a dive and use this data to calculate and display an ascent profile which, according to the programmed decompression algorithm, will give a low risk of decompression sickness.
The Shearwater NERD was released at Dive 2013 in Birmingham, UK. [19] Shearwater Perdix in compass mode. In 2015, the Perdix wrist mounted dive computer was released. The Perdix is similar to the Petrel but has a 30% longer battery life and a thinner and lower profile. [20] The computer was named after the grey partridge Perdix perdix. [21]
Pre-dive inspection and testing of equipment at some level is standard procedure for all modes and applications of diving. The use of checklists is known to improve reliability of inspection and testing, and may be required by the applicable code of practice or operations manual, or manufacturer's operating instructions.
Designed specifically with seniors in mind, the GrandPad is incredibly easy to use thanks to its large, easy-to-read icons, wireless charging dock and built-in 4G service, which eliminates Wi-Fi ...
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