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Current Java implementations run just as quickly as native apps. I know this b/c I just finished doing some benchmark research for my job. Actually, the only hard part of writing a dive log is getting the data from the computer. And that part is really, really hard. Notice that all the...

I keep a bottle of water so I stay hydrated. People don't think about it but you do sweat while you swim and you need to have fluid intake. Even if I've forgotten my water, I don't get dry mouth unless the pH is off.

Most chemicals added to the pool dry your skin out. I'm in a pool every day and I always shower immediately after swimming (normal shower, hot water + soap). The shower takes off the chemicals but drys your skin out even more. Just use any standard body lotion to re-moisturize. You may...

My vote is that the pH in the pool is off. Imagine having your symptoms AND having braces. It is not fun having to stop on the walls to pick your lips off the brackets. Thank goodness I don't have that problem anymore.

I agree that any of that could happen. But I've never seen any posts about somebody dying b/c they got caught in a down current. I've heard a couple of stories about BC's failing, but that is also a truly exceptional event. I'll argue that a very, very small percentage of divers are actually...

The # of dives that you have logged does not matter. Your lifetime bottom time does not matter. You lifetime max depth does not matter. Diving is not magic. You get a certification in diving so that you have been educated about the main risks in diving and how to avoid them. Everybody...

I have no technical training and no desire at all.

Sometimes I get my mask strap too tight and it causes the "nose cup" of my mask to press into the lower part of my nose. On occasion this can rub just inside my nostril and pop a couple of capillaries. But if this was happening you would notice that your nose was starting to hurt before you...

I'd say 95% technique, 4% strength, and 1% not swimming through someone else's pee. :D

No worries SparticleBrane, at least one person has read your posts. SparticleBrane is correct in everything that he said. Improved technique will make all the difference in the world. The very best swimmers in the world can turn about 3% of their effort into forward motion. That means that...

The down side to this trick is that the bottom will cause drag and slow you down. If you are having trouble going 25 yards then chances are that your stroke is not very efficient. The psychological speed trick may be over shadowed by the real drag. Can you try it and post back? I'd be very...

I think that SAC has more to do with breathing technique than activity. When you are on the surface just breathing, you only process about 1/3 of the oxygen in the air that you inhale. That means that if you are careful, you can slow your breathing down (longer inhale and exhale). If you...

There are restrictions on switching modes. I think that if you were in gague mode, then you cannot switch to another mode for 24 hours.

I think I had the same problem with the light. I'd check it at the surface a couple of times to make sure that it worked, but at depth it would not light up. That was in AIR mode. My backlight works as advertised in NITROX mode. I just dive EAN21 so I don't use AIR mode anymore. If you know...

It is wrong that I have never wanted a tatoo in my life but I now want to put this across my back from shoulder to shoulder?

Try this: -Connect the data cable to the dive computer and PC. -Activate TR-PC on the dive computer. -Start the transfer on the PC. I think it is very important that you have the cable fully connected before you activate TR-PC on the dive computer. I spent days trying to download data...

I'm living in TX and I'm taking a trip out to CA around X-mas time. While I was out there I was planning on doing some moutain sports around Tahoe and diving Monteray Bay. I was supposed to hit Tahoe and then dive the Bay. Unfortunately, the two days I have to work with are the 23rd and...

The way I see it, having a separate Air and Nitrox modes has only 1 purpose: So that people that don't have Nitrox training can use the computer without having to figure out what they are allowed to "ignore". If you have an Air mode, then you don't have to show partial pressures and oxygen...

I guess it should go without saying that I've always turned on my Vytec before hitting the water and never had a problem with it.

I can't imagine jumping in the water and trusting that the computer is going to come on. You turn it on before you hit the water so that you can verify that the batteries are ok, your nitrox is set correctly, etc, etc. I don't have a phobia of my computer failing mid-dive so once it is on...