Bent. I guess it really can happen to me.

[redacted]

FYI, there are dive computers that allow you to set up to 5 levels of conservatism. The Uwatec ( Scubapro ) dive computers use the ZH-L8 ADT MB algorithm that has a worldwide proven safety record. This enhanced algorithm allows the user to choose which micro-bubble level thus enabling the diver to reduce the risk of the bends.

What dive computers that have been on the market for a few years do not have a "worldwide proven safety record"?

Any data on the amount of risk reduction associated with each optional level?

Do you have any data that suggests any other dive computer used to its limits with maximum conservative factors implemented is any safer than, say, my Oceanic Data + (a recognized liberal computer) when using the beginning of the caution zone on the tissue loading bar graph as the dive limit? (That would equate to approximately an 80% allowable N2 load on the leading compartment.)

 

[TechDeep]

Going to be engaging the computer between my ears more often on routine, shallow dives. Even then, it's still a crap shoot. I've read just about everything I can find on DCS hits. I found one study where 4 divers out of a thousand sampled got level 2 hits after using 25% of their allowed bottom time. That is a low number, but if I got hit at 25%, that's like getting hit while training students.

 

[drrich2]

Highwing posted awhile back some issues that merit consideration.

"THE LYNX DIVE COMPUTER AND T1 TRANSMITTERS ARE INTENDED TO BE ONLY A SECONDARY SOURCE OF DECOMPRESSION AND TANK PRESSURE INFORMATION, TO BE USED IN CONJUNCTION WITH ANOTHER (PRIMARY) SOURCE OF TANK PRESSURE AND ANOTHER (PRIMARY) DECOMPRESSION PLANNING TOOL. THE LYNX DIVE COMPUTER AND T1 TRANSMITTERS CAN STOP FUNCTIONING OR PROVIDE INACCURATE INFORMATION, WITHOUT WARNING, DUE TO VARIOUS FACTORS (INCLUDING DEFECTS OR SOFTWARE BUGS)."

In summary, you should never use this computer as a principle method of planning a dive. You should know everything there is to know about diving ZHL16-C+GF even though we do not disclose what GF the computer is using. Interesting. To your credit, you can't know what GF it's using in Rec mode and you can't change it. 30/70 is gaining a bit of traction in some circles. I would be curious to see, barring PFO, or other clinical pre-disposing factors if you felt better using 30/75. Again, you should probably grab the relevant training, warning, warning, disclaimer, disclaimer.

From the first blub, secondary to what? I consider the Lynx disclaimer to be butt-covering liability risk management. What AI dive computer company actually expects nearly all their customers to also use an SPG? And tables or a different brand of computer that's more reliable? Rubbish!!! Tables would be so much more restrictive outside of a square profile dive as to make the computer's NDL offerings useless if the table was following, and if the pressure function quits on you, it's like if an SPG quits; you end the dive! And ought to have enough gas left to do so even without being able to precisely monitor it with a gauge!

Richard.

 

[TechDeep]

Highwing posted awhile back some issues that merit consideration.





From the first blub, secondary to what? I consider the Lynx disclaimer to be butt-covering liability risk management. What AI dive computer company actually expects nearly all their customers to also use an SPG? And tables or a different brand of computer that's more reliable? Rubbish!!! Tables would be so much more restrictive outside of a square profile dive as to make the computer's NDL offerings useless if the table was following, and if the pressure function quits on you, it's like if an SPG quits; you end the dive! And ought to have enough gas left to do so even without being able to precisely monitor it with a gauge!

Richard.

I may be wrong, but I believe the online manual (the only one available) was written when the Lynx had just been released. At that time, it was released with beta software. Since then, there have been several software releases. In fact, when I bought mine, I was told to go to the website and download the latest software, as it came with beta software. I don't believe Liquivision considers this a necessity any longer, as the latest revision, (which I loaded) is no longer beta.

Again I could be wrong on this, but it would be hard for me to believe that a company would try to stick with a disclaimer such as this once the software is no longer beta. If so, they are pretty much saying if you are going to use our product, be sure to also use one that is actually reliable, as ours is not.

 

[TechDeep]

Wanted to post this. I was taking GoPro video with the camera mounted on my Octomask. This was the last time I could find in the video that I happened to catch the computer. It shows 36 minutes into the dive, with 24 minutes NDL time remaining. We know the total dive time was 44:21. So even without giving credit for the fact that 5 minutes of the remaining dive was ascent/safety stop, I still should have had 15:38 minutes of padding. Until last Saturday, I would not call that unsafe.

 

[redacted]

Wanted to post this. I was taking GoPro video with the camera mounted on my Octomask. This was the last time I could find in the video that I happened to catch the computer. It shows 36 minutes into the dive, with 24 minutes NDL time remaining. We know the total dive time was 44:21. So even without giving credit for the fact that 5 minutes of the remaining dive was ascent/safety stop, I still should have had 15:38 minutes of padding. Until last Saturday, I would not call that unsafe.


View attachment 165407

You may not have deserved that it, but **** happens.

 

[openmindOW]

Memo to the file: Don't buy a Lynx computer.

 

[PfcAJ]

I doubt you'll find any AI computer that says "Use this as your sole source of information for decompression planning and gas management". The above warning seems pretty reasonable to me.

 

[Tigerman]

Dont think you'll find ANY computer that does. Its kinda the first thing stated in all the manuals not to use the "computer without proper training and understanding of yadayada bumcovering legal svada..."

 

[beaverdivers]

What is your depth at this specific time?

Wanted to post this. I was taking GoPro video with the camera mounted on my Octomask. This was the last time I could find in the video that I happened to catch the computer. It shows 36 minutes into the dive, with 24 minutes NDL time remaining. We know the total dive time was 44:21. So even without giving credit for the fact that 5 minutes of the remaining dive was ascent/safety stop, I still should have had 15:38 minutes of padding. Until last Saturday, I would not call that unsafe.

View attachment 165407

What is your depth at this specific time? I can't tell from the photo.