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  1. gnulab

    MK21 Service Guide

    Hi, Does anyone have a copy of the service guide for ScubaPro MK21? I'm not sure of the torque of the 2 screws holding the bottom section and the main body. Thank you Henry
  2. gnulab

    Seabear Dive Computer

    Hi, I'm pretty sure some user in here has heard of the SeaBearSEABEAR Diving Technology brand of dive computer. It produces nice dive computer and I'd say it makes a very nice alternative to the ones out there My question is, has ayone tried contacting them and actually receive reply from...
  3. gnulab

    Oxycheq Mach V wings Odd Size

    Hi fellow Oxycheq users, I'm posting some pictures of my Mach V 30lb wings, just for verifying if my wing is odd by itself or it's normal. I find that my wing is rather odd shape since the inner bladder is way too big for the outer shell, at least that's my theory. When I pull out...
  4. gnulab

    Newbie with OceanLog (Atom 2.0)

    Hi Guys, I just received my Oceanlog USB Cable today. I've read that it's quite PITA experience to download dive data from the Atom 2.0, but that's not the experience I had. Mine went smoothly, thank God. I'm using the OceanLog 2.28 beta software, seems to be pretty stable, so far, I had...
  5. gnulab

    Power Inflator Advice

    Hi, I want to buy a power inflator for a backup, just in case it somehow got crushed, or a quick replacement is the only solution in order to avoid missing a dive. To my understanding, the power inflator is a relatively simple mechanism, so it shouldn't warrant to buy branded ones, like...
  6. gnulab

    Oceanic OceanLog for Atom 2.0

    Hi, I'm looking for a used Oceanic OceanLog USB cable to download my diving data from Oceanic Atom 2.0 to my computer. Perhaps there are members whose Atom 2.0 has gone kaput and have no use for the USB cable anymore since you have moved to other dive computer brands? Or you have quit...
  7. gnulab

    Tank Valves Tightness

    Hi, How tight does a tank valve need to be screwed into the tank? For 2nd stage screwed into 1st stage, I was taught to screw it in by hand first. Once it can't go any further, use a spanner to give it a final tug. The tug is a slight tug. The principle (again, was told) behind this...
  8. gnulab

    Tip required on bent hips problem

    Hi, I guess the title pretty much sums up this posting. I'm still learning how to be 100% horizontal, and I thought I had, only when my friend took a shot and I realize that I'm still bending at my hips. During a dive, from time to time, I do a simple check using my hand to feel if I'm...
  9. gnulab

    Tank Valve & Manifold Set

    Hi, I'm looking for 3/4' size valve, its associated isolator manifold & the tank band. The tank band should fit 7.25" diameter AL80 tanks. It'd be nice if this could fit into halcyon backplate. Anyone wanna give upgrade and willing to let the set go? Cheers, Henry
  10. gnulab

    Tank Valve Compatibility

    Hi, I'm living in Indonesia, and now venturing into twin tank diving. It has been really difficult to lay my hands on renting twin tanks, so I'd to resort myself to buying my own equipment. That's not sad enough. Since the market for twin tanks config is very rare, many dive shops do not...
  11. gnulab

    water leaks while sideways

    Hi, I'm using Apeks XTX 50 regulator. I'm experiencing inhaling water whenever I'm tilted sideways. So when inhaling, I'm not only inhaling air, but water as well. But if I'm in head down position, no water. Tilted 180 degrees, ie. I'm facing the sky, sometimes might cause water to...
  12. gnulab

    Diving in May

    Hi, I have 4 days to spare in May, any advice where to dive? Bali is an option that I'd rather not take it. I've thought of Lombok & Manado, but then I guess better throw this out and ask for opinions from u guys. Henry
  13. gnulab

    atom, d6, stinger

    Hi there, I'm trying to cut through the wealth of information out there about dive computers. I have learnt few of the features that initially I wasn't aware but find it really important to have. I have kinda narrowed it down to 3 items, Atom 2.0 (without the transmitter), Suunto D6 &...
  14. gnulab

    Recommended PBB Instructor

    Hi, I've read quite many of the threads about Padi's PPB (peak performance buoyancy) course. Some say it's overrated, while others say that it's not that overrated, as long as you get yourself a good coach. I'll be traveling to Sydney and thinking of doing my PBB course there. Any of...
  15. gnulab

    Bouyancy using backplate system

    Hi there, I see video clips of people diving, especially when they're doing the frog kicks, their bodies are in the horizontal position. The last sea trip, my setup up includes Halcyon Eclipse, 3mm shorty & the Scubapro Jet Fin. Using that setup, I couldn't maintain a horizontal position...
  16. gnulab

    21 Dec - 01 Jan, need recommendation

    Hi there, I have confirmed plan to visit Australia end of this year. My itinerary is: 21-27 Dec: Sydney 27-01 Jan: Melbourne I would like to fit in few dives in those 2 cities. In sydney, I was recommended by a friend to go with prodive.com.au. I am interested in their midnight...
  17. gnulab

    Step by Step Bouyancy Technique

    Hi Divers, I would to ask for some clarification and specific, step-by-step guidance what's the correct way to achieve motionless hovering while underwater. I am still a newbie, logged only 19 dives and I have only been with 2 different DM all these while. I know that the 1st step in...
  18. gnulab

    Correct breathing pattern

    Hi, I would like to ask what is the correct breathing pattern. I have read few threads concerning breathing, quite a few of the advice are to breathe slow & deep. How exactly is it slow & deep? When you say slow, does it mean we inhale & exhale slower than when we did it on land; and...
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