Unknown Friend got hit with DCS

[lowwall]

But, in your statement OP, you mentioned they did a safety stop for one or two minutes at 15', per her console? What console? Also, a safety stop is a MIN of 3 minutes.

My guess is she was looking at the SPG and went up at whatever they told her to be back at the boat with. Or maybe when it hit the start of the red arc on the printed scale.

 

[wgw04024]

Gawd....what a **** show start to finish...

 

[Divin'Papaw]

Computer - hmmm - I am torn on this one. Many say don't dive without a computer. Well, being a techie and an old school diver, I don't trust electronics under water. I highly recommend learning your Tables and carrying tables with you. I have a table attached to my BCD Pocket. If my computer dies 5 minutes into a dive - WHY END IT. Know my tables, know how to read and adjust and finish my dive. Divers have been diving many many years with no computer.

1. What are you using for depth and time? Are they not electronic, or are they 100% mechanical devices? If they are electronic, you are still trusting a single electronic device.
2. Many of us use two computers to bring the risks from a dead computer to close to 0%. Not exactly 0% as it is theoretically possible to have BOTH computers die on the same dive. But certainly close enough to 0% to be a manageable risk. If I WERE to lose both computers on the same dive, I'm making a slow, safe ascent and packing it in for the trip because my luck done ran out!!

 

[Shasta_man]

I'll state the obvious and say not only don't dive with them because something is going to happen (again) sooner or later, but their advice on any topic is suspect.

 

[iointerrupt]

Computer - hmmm - I am torn on this one. Many say don't dive without a computer.

For sure tables are fine for you. Tables are just a bunch of random numbers to the Vacation Diver.

The choice for the Vacation Diver isn't "table or computer(s)". It's "nothing" or "something". And something is going to be a computer you strap onto them, and say "when this beeps like mad, go up".

That's why people are recommending computers.

 

[Capt Jim Wyatt]

Well, being a techie and an old school diver, I don't trust electronics under water.

I am a techie and have been a tech/cave instructor since 1975. Also, an ex-US Navy diving/salvage officer.

So, you can call me old school too. It's nothing to be particularly proud of if you simply stay in that old school room. I have been trusting electronics underwater for 50 years on OC, CCR, SCR and submersibles beyond 300 fsw and never has an electronics failure caused an insurmountable problem for me while underwater.

My home internet goes down WAY more often than my underwater electronics fail me.

Dive Computers, primary lights, backup lights, pressure transmitters, heated vest controllers, oxygen sensors, CO2 sensors, and CO sensors are but a few examples of the electronics most of us who have graduated from the "Old School" use effectively and have done so for a couple of decades now.

 

[Biotech Diver]

I too have been using two wrist computers for years. One wrist computer also monitors my air and I have an analog gauge that monitors my air as well. I have redundancies wherever practical, but that doesn’t include physical dive tables.

1. What are you using for depth and time? Are they not electronic, or are they 100% mechanical devices? If they are electronic, you are still trusting a single electronic device.
2. Many of us use two computers to bring the risks from a dead computer to close to 0%. Not exactly 0% as it is theoretically possible to have BOTH computers die on the same dive. But certainly close enough to 0% to be a manageable risk. If I WERE to lose both computers on the same dive, I'm making a slow, safe ascent and packing it in for the trip because my luck done ran out!!