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Can you elaborate on that? What is/was a stupid ppO2 number?
Why do you want O2 flowing during the whole pre-jump?
I also generally turn on my O2 right at the start of my pre-jump. But, my reason is that I have heard of an oxygen fire from turning the O2 valve open too quickly. I want to turn that on and be sure nothing bad happens before I don the rig...
Summer in AZ, maybe just late spring. Air = hot, water = cold. Get in the drysuit and walk to the water and stand in the water to avoid overheating. So you quickly grab everything before standing in the water and deal with it while standing in cool water. Now you go through the checklist. Open DIL, check ADV, check inflator, opps that is off. That is why we have checklists. Go through the steps in order. The connector is fighting me not wanting to go back on. By the time I have it on I look at the flashing red of a PPO2 of 0.10 and jump off the loop real fast. Couple deep breaths of air. Good thing I was just standing and not physically active. Turning on the O2 was still a few steps away. That is why I moved the O2 way up on the list. Open DIL, check the ADV, turn on O2. Even if it was completely solenoid driven the controller would be trying to keep at least a PPO2 of 0.19 firing a solenoid, just have to have O2 behind it. CMF or leaky valve would also be letting O2 into the loop. Anything to be adding O2 into the loop. Not several steps later finally turning it on. I can check inflators and other stuff with the O2 on, I don't have to wait to open it up.
Keep in mind that this is the pre-jump, you are minutes away from actually starting the dive. So having the O2 on the whole time is a good thing. An extra minute of O2 being open, that better not be an issue with your planning or your planning is way too tight. You are basically doing a dive on the loop, just not in the water yet (except that time I was standing in water only for the cooling). I am NOT referencing the closed (build) check list, That is different and ends with everything off and depressurized. This is the checklist just before you step off the boat. Normally I would still be on land, but to avoid overheating I was standing in water. Passing out at that point would have been bad. Just another shallow water rebreather incident.
Has everyone watched the Divemaster Scuba build/pre-dive checklist video on Youtube?
Reading through this thread, there are a couple of things touched on in there that have come up in the discussion. From memory, the battery cover was discussed.. Also the new version of the rMS probes and how the old ones failed.
If nothing else, it might be a great refresher from rEvo with up to date processes etc.
Divemaster Scuba CCR Build-up and reviews - rEvo III
The guy is an SSI training director, knows the rEvo very well and was even on the Horizon development team, which as you probably know is an SCR adaptation of the rEvo.
II took the trouble to contact Adam Wood and ask for clarification on that, as I don't think it is correct.
Yep I've tried to replicate the inverted dil flush, I'm not certain its effective. Certainly you would get some funny looks from your buddy. I saw Adam sold his rEvo unit on F.B. right after that review. It always struck me as a bit odd, I'd like to know the back story.