As was mentioned earlier, you will have to take the class through a shop. Some manufacturers do seminars for all techs in an area once a year. I know some do here in Portland anyway. Another way to get a lot of training is to attend DEMA on behalf of a shop. You can take several courses from...
I don't think anyone is going to perform a formal audit. They will ask for what you have and look it over and you should be fine but be sure to log everything during and after class.
It's not hard but the prep has to be done carefully. OS Systems has a nice kit available that contains everything you need to do it yourself. Check OSSystems.com. I have a USIA Aqua Pro Plus and have done my seals myself and it's not hard you just have to have to pay attention to what you...
Go to any fishing store or sporting goods store and they should sell a tide table. It's usually a small booklet that has the high and low tides for the entire year. Usually only a couple of bucks.
Here in the Northwest we can get tidal exchanges of 15 or 20 feet sometimes and you can get...
I assist with classes on Hood Canal about once a month and I have for years. We only take 2 students at a time with 1 Divemaster so during the skills portion of the dive we have a 1 to 1 ratio. On the tours the DM has 2 students. Our DM's are trained to NEVER let a student more than arms...
I have an A710IS and a Canon Housing for it and I've been really happy with it. Very easy to use and with a little time you can get it set up for some pretty good underwater shots.
I like to use a cookie tray, lay clean paper towels over the tray and disassemble the regulator, lay it all out after it's been cleaned. Lay out the new parts kit on another tray and reassemble. They trays keep things from rollling around and they help keep track of the old vs new parts.
There is no danger, the only problem is performance. You may need to tune or de-tune the second stages to prevent them from free flowing if the IP is not the same between the first stages.
I had just finished my dive and was getting out of my gear on a boat in Hawaii when the second set of divers got onboard and asked the DM "how deep did we go?". As a DM myself I just cringed. I can't believe the guy never looked at his gauges.
Another guy on the same boat asked "what does...
I dive dry all year. The water temp at depth here never warms up above 50. The only time I don't use a dry suit is when I travel to a warm water destination.
I don't know if price has anything to do with it. I'm sure there are less expensive regs that work well inverted. I can really only offer an opinion the reqs that I have used in that situation. I have an Oceanic Alpha 7 that did fine inverted and it's a fairly inexpensive reg.
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