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Thank you - problem fixed. :)

I've been happily running SW Desktop on my MacBook since I got my Petrel last year. It's even got me logging dives again... Suddenly, alas, Desktop will no longer launch. I've tried updating it to 2.5.2, but still nothing. I'm running OS 10.10.5 on an early 2011 MacBook Pro 15. Anyone got any...

Wait, what? There's a tale there. How did you go from KISS to the most automated unit ever? Sent from my iPad using Tapatalk HD

Recreational dive computers calculate decompression as an emergency function - you have, for whatever reason, made a dive that has incurred an unplanned decompression obligation. It's reasonable to assume, therefore, that you aren't properly equipped for a lengthy decompression, especially with...

This tells me that your instructor has a massive gap in his/her knowledge. 'The usual stop is at 6m'? Utter nonsense. On dedicated technical diving computers such as the Shearwaters, and in most dive-planning software, it is possible to select 3m or 6m (and, in some cases, 4.5m) as the final...

Completely agree. It does make one wonder what 'truth' of diving will be overturned next, though... Sent from my iPad using Tapatalk HD

This research is in its early stages, but suggests that all the old assumptions about NDLs, deco times etc with Helium are wrong... https://digital.library.adelaide.edu.au/dspace/handle/2440/92699 Sent from my iPad using Tapatalk HD

Well, I had the seam on the bladder of a HOG doubles wing split wide open at the surface, leaving me kicking like a madman to keep twins and two slings afloat... I was certainly unhappy at the time. In all fairness, I bought it for next to nothing used, and I don't know how well it had been...

FWIW, the shop is offering you a very good deal on the manuals, and on the courses overall... And I agree with Tursiops, three days should see you through the in-water stuff without being rushed. What you might want to do is get some dives in beforehand, though, so you're not getting used to...

Ten years ago, pretty much by accident, I became an instructor with the grand total of 140 logged dives, all done in benign tropical conditions. 4000-odd dives later, from my lofty pillar of dive-godliness, I look back and am amazed they let me in the water, let alone teach people to dive...

I refused to stay in the National Referral Hospital in Honiara (you'd have to be dead already to consider it...), so I had to pick up the hotel bill, private visit fees for the doctor, stuff like that. DAN paid it within a couple of weeks of me getting my **** together to put a claim in. Sent...

I'm insured with DAN Europe, and had to be evacuated from a remote spot in the Solomons… It was interesting. The big mistake we made was to contact DAN Europe directly, rather than go through DAN Asia Pacific. DAN Europe had no real idea of just how remote my location was, we were...

It's not about MODs for me. Bouncing up and down in the 0-100 foot range is a pain on CCR - dump the loop, add to the loop. Having to stop your mad plummet in pursuit of a student because you've collapsed the loop and need to add dil is - I think - an unnecessary distraction. Ditto adding one...

If you read what Bruce Wienke quoted about pearl divers as posted by Kev earlier in the thread, they dramatically cut their decompression times… And then got very, very good at doing IWR to counter the dramatic increase in bends. Ditto for Hawaiian fishermen. And this is what everyone...

I'm not reading that the instructor was using a rebreather, just that he's a 'rebreather guru'. If he was using a CCR, that strikes me as exactly the wrong choice for a course dive where the instructor might expect to have to deal quickly with unexpected depth changes - exactly the kind of thing...

Checks forum… Advanced. Good. I am incredibly bored of 'I wanna do it all… But I have no intention of putting in the effort to be ready for it.' What the **** is wrong with people these days? Why do I endure a steady stream of people who, 20 dives in, have decided they're bored of...

Ross Hemingway puts this warning: ********* WARNING & DISCLAIMER ********* This MultiDeco generated dive schedule could indirectly kill you. The author does not warrant that it accurately reflects the selected decompression model algorithms, that it won't get you bent or dead, or that it...

We offer to set up customers' gear, as most seem to expect that when on holiday in the tropics. We ask if they'd rather do it themselves, though, and are more than happy if people don't want us to touch their gear the entire time they're here. It's one less thing for us to do. Have you really...

The Titan's a decent recreational reg. I have seen a pair used for twin-tank diving, but they looked a mess - it's impossible to configure your hoses sensibly and they stick out all over the place.

I've used an SMS100 with DiveRite stabilising plates for doubles on a student who was 6'7" and had lower-back issues: he just couldn't wear a standard backplate and we're too remote to have got him an extra-long plate in time. It was stable and he was comfortable and able to get into trim (when...