#logging capabilities

VR Tecnology VR3-HD Open and closed Circuit Trimix/Nitrox Diving Computer The world's first upgradeable,first full color, and best selling Trimix and close circuit capable dive computer VR Technology Limited presents the VR3 model armed with High Definition (HD) software giving enhanced screen visibility and some exciting new options as standard. The VR3-HD can be used for all types of diving: open circuit, mixed gas, or closed circuit. You can use it for air, nitrox, Trimix, or heliox.The VR3-HD gives outstanding screen visibility with a backlit white screen. The computer is reprogrammable and can use up to 10 gases.Using a micro bubble algorithm for increased safety, with 99 levels of decompression and no lockouts makes this one unique dive computer. This computer has all the bells and whistles you have been dreaming about in a computer. Programmable safety factors, auto on off with no wet contacts, adjustable backlight with contrast control, and a whopping 60 hours of dive logging capabilities. Download logged dives with the Infrared PC Interface, you will get tissue loading graphs, dive graphing that is replay-able during and after the dive, fixed or variable ceiling decompression , total time to surface calculations, and re-breather interface for on line decompression. A personal security screen and a user replaceable AA battery make this one truly cool computer. The VR3-HD computer is the most up to date computers on the market and we aim to keep them right there on the cutting edge of technology by adding useful optionsand f