![]() The Leonardo can also be fully re-set after each use, making it an excellent choice for rental departments. Additionally, the instrument may be set by the user for either imperial (feet) or metric (meters) system. The mathematical model of Leonardo can make saturation and de-saturation computations of dives carried out both with air and with nitrox, whose parameters can all be set: from the maximum allowed PO2 value between 17.4 and 23.2 psi (1.2 bar and 1.6 bar), to the mixture's oxygen percentage (FO2) between 21% and 50% of O2. The computer is provided with clock and calendar, a versatile dive memory (logbook), as well as a dive simulator. Such information is displayed on the instrument's large display, thanks to the PCD (Priority Compartment Digit Display) system, allowing an easy and direct dialogue between the diver and the computer, ensuring a clear understanding of all the data needed at any given time and a perfect readability in any situation. Nitrogen absorption and release is continuously processed by its sophisticated software, considering the quantity of inert gases in the different mixtures which can be used. The Leonardo computer by Cressi is a multifunctional instrument for sport diving It will supply any wanted information on depth, dive times, decompression status, ascent rate and surface interval times between dives. This Algorithm allows for safe decompression calculations for multiple dives spread out over multiple days. The Leonardo features a new Cressi RGBM Algorithm, created in conjunction with the expertise of Bruce Wienke and based on the Haldane model, integrated with RGBM factors. The Leonardo's easy to see battery life icon indicator and its distinct audible alarms deliver critical information as well as peace of mind during the dive. Leonardo has a large edge to edge, high-definition LCD screen that gives large numerical displays in a computer that is still compact and travel friendly. A single button interface makes it effortless to program air, nitrox and gauge modes. The Cressi Leonardo Wrist Computer is an elegant expression of a simple and functional design, the Leonardo is a must have for divers entering the sport and those who just want to dive. ![]() Overall, I am very pleased and would recommend the Leonardo. The Leonardo and software with cradle worked perfectly, downloaded my first dives easily and you can review entire dive profiles, and add additional info the log, and save the logs. I did have to download the software from Cressi, although it comes on a mini CDROM since my Mac Mini has not CD reader. The software and cradle were easy to install and use on my Mac Mini. During your surface interval, the Dive Planning function is very easy to use, and shows No Decomp times for various depths with just a push of the button. Between dives the display shows surface interval, and shuts off to conserve battery life. Again, as I am new, I prefer this safety factor, as well as the ability to adjust the overall Safety Factor for the dive tables. The ascent alarm is sensitive, and sudden upward movements of my left arm will trigger the alarm. My first dives with it were great, and it was very easy to use and to see underwater. The device instructions are nicely illustrated, and it took only a few minutes to set up with time and date, and to adjust the Safety Factor. ![]() I received my order in less than a week, via USPS, a must for the USVI. ordered the Leonardo with the cradle for downloading. Also, Cressi was noted for being on the conservative side, and as an older beginner I wanted a conservative device, and the single button and large readout was very appealing. I researched online, and found reviews and recommendations for the Leonardo rating it a Best Buy and good for beginners. I already had a good mask with corrective lenses and snorkel. After getting my Open Water certification, I decided a computer was going to be my first purchase.
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