I have a couple of these… cheap and they work great. They attach to mask strap or throw into a BC pocket as a backup.
https://www.uwkdive.com/products/mini-q40-mk2
I’d like to lower mine on a line for a couple of hours, bring it straight up to the surface then try a repeat “dive” after a short period and see what it does.
I think of the Descent G1 as a smart watch with dive computer add on with lots of features and functions. They may be useful for you. The Teric is a dedicated top shelf dive computer that you can wear as a watch with the best display in the business. For watch style Mares has the new Sirius...
So … blow off a required deco stop, acknowledge all of the warnings. The computer display would then show a normal display and allow a dive, rightly or wrongly? I guess one could argue that in the hands of a diver not knowing what they are doing this “hands off” functionality could be hazardous.
So it is documented they Suunto will lock up the computer for a missed required decompression. In the case of Shearwater according to the manual, a missed deco stop gives a yellow MISSED DECO warning during and after the dive and will flash the stop depth and time in red as long as you are...
I had two Suuntos, Zoop (still have) and a Vyper II (sold). No issues or problems. Thousands of dive pros use Suunto for one to two dives for work daily. I bought a Perdix AI because a deal came along too good to pass up. It has a bright, colour display, extremely good data layout, excellent...
I had a friend do a DSD in the Caribbean on a popular island. No swim test needed.
It went sideways from there. It was one on one instructor to student with me (certified) as a tag a long. I was “instructed” not to touch the diver or offer any assistance, e.g BCD … fair enough I would not...
Yes absolutely, I’d never attempt on my own. I’d presume the guided dives would be with guides with LOTS of experience for that type of dive and the added precautions necessary, not your average DM.
Most of the topic seems to have been focused on the tunnel like and sanitized easy wreck swim throughs. What about cenotes? Are they treated as a recreational swim through perhaps somewhat innocuously? Some look like they penetrate quite far with hard ceilings and passages to other caverns...
Yep, they are very dim, nothing to see unless you have a light to get some colours and check out the holes. No time to linger and look for small critters. I enjoy other parts of the dives much more, sometimes even safety stops. The more people there are in the train the less I enjoy it.
Maybe the term swim through needs to be tossed…. too vague and inocuous. At least in terms of natural formations perhaps using terms like arch or tunnel or tube could be used. Divers should be briefed on exactly what they are in for, length and width and given the option to divert with...
I was in Cayman in October. There were lots of tour boats moored at the Stingray city site. As I had heard, the Cayman department of environment kept them fed during the depth of the Covid. To my eye it looked business as usual.
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