
5 Additional functionality and features.
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Use by professional scuba divers is also common, but use by surface-supplied divers is less widespread, as the diver's depth is monitored at the surface by pneumofathometer and decompression is controlled by the diving supervisor. A dive computer is perceived by recreational scuba divers and service providers to be one of the most important items of safety equipment. Data recorded by a dive computer may be of great value to the investigators in a diving accident, and may allow the cause of an accident to be discovered.ĭive computers may be wrist-mounted or fitted to a console with the submersible pressure gauge.
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Several additional functions and displays may be available for interest and convenience, such as water temperature and compass direction, and it may be possible to download the data from the dives to a personal computer via cable or wireless connection. The display provides data to allow the diver to avoid decompression, or to decompress relatively safely, and includes depth and duration of the dive. Audible alarms may be available to warn the diver when exceeding the no-stop limit, the maximum operating depth for the gas mixture, the recommended ascent rate or other limit beyond which risk increases significantly. Some dive computers allow for gas switching during the dive. Several algorithms have been used, and various personal conservatism factors may be available. Most dive computers use real-time ambient pressure input to a decompression algorithm to indicate the remaining time to the no-stop limit, and after that has passed, the minimum decompression required to surface with an acceptable risk of decompression sickness.

Suunto Mosquito with aftermarket strap and iDive DAN recreational dive computersĭive profile recording and real-time decompression informationĪ 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 entire H20 Audio iDive 300 set costs $349.99.Hydrospace Explorer Trimix and rebreather dive computer. If you happen to have an iPod touch underwater, you’d do well sitting out a decompression watching JAWS (it’s a good dare actually) while waiting for your nitrogen contamination to expel from your body. The iDive 300 is also a good temporary solution to decompression stops (waterproof until 300 feet) as the latest dive computers don’t have the technology for built in games. When underwater, sound travels faster and you will have no sense of direction as to where sound is coming from (hence the reason why your headphones are auto-magically converted to surround sound). I’ve personally tried this and although there’s nothing like diving to Kenny Loggins’ ‘Conviction of the Heart’ (LOL!), be wary of your surroundings. It sounds like crap on the surface, but once you go underwater, prepare for surround sound baby! The danger here is that you’ll have a hard time hearing anything else which can be potentially bad if your dive buddy is calling your attention with a tank banger or a horn. Instead, both left and right speakers fasten themselves onto the mask strap about half an inch away from your ear. The headphones don’t go into your ears - because that’s dangerous. The biggest disability of the iDive 300 is the fact that it attaches to your mask.

iPhone 3G and 3GS (if cellphone signals can penetrate 5 feet of water, this would be a good stunt!).
