![]() ![]() In 2008 I bought a rebreather with a Shearwater GF on it. I started with an Aladin Pro in 1995 and I still have a Tec 2G that stays in gauge mode. ![]() I used Uwatec computers for a lot of years. I do personally prefer physical buttons to piezo buttons though and like that they are recessed, but do not like the ergonomics of top buttons vs. I think 3 buttons is easier/better than 2 when setting up, but in the water I've never really wanted 3. Cuts the dive time in half, but I think it's worth it. Rechargeable battery-I'm not really against it, but I would have personally sacrificed the dive time to go with a AA. Screen layout on the Shearwater is a lot better and gives you the info that you need up front, and is easy to switch to the other stuff. The only one of which should be factored in is skin temp, but even then we don't really know how or why, so that's a BIG con in my book. What I really don't like about it is that it likes to change the algorithm based on heart rate, skin temp, SAC rate, and water temp. It's better than Suunto, but the Shearwater is better. Proprietary implementation of ZHL-16 which you don't have the ability to predict quite as well as you do with Shearwater. ![]() The Shearwater uses non-proprietary algorithms that allow the actual and computer calculated plans to match very closely if followed, and that is the primary reason it is so strong in the technical diving market. Even the G2 manual tells you the dive computer is not the primary plan to follow on technical dives. Dive your plan and the G2 algorithm will likely never give you a mandatory stop that your dive plan does not have. At least with Suunto you can do some offline planning using the same algorithm as the dive computer.Įnsure your G2 calculated dive plan is not more conservative than your actual dive plan. ![]() It would be nice if Scubapro provided a desktop planner similar to Suunto. If you always dive in a team of G2 divers, the planning will be easier and consistent if you use the computer for all planning, but you lose some of the nice features found in desktop planning software applications like MultiDeco. None of this means the G2 can’t be used, It does add some extra work when planning. You will be running various plans using different MB levels to get a similar match to a standard ( non-proprietary) algorithm generated stop s hedule. Where the offline planning software uses gradient factors, you will be trying to match the appropriate Microbubble level. The G2 uses a proprietary algorithm (ZH-L16 ADT MB PMG) that does not match up with any offline deco plannng software. However you said yo wanted to go Tec and that is where the challenge is. The G2 is a fine dive computer and I know many divers that use it and they like it a lot. ![]()
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