| Fourth cell....
Folks,
I like the fourth cell idea for this one reason. If your handsets crap out, you can hand-fly the unit using the fourth cell read-out, and deco does not change in any respect. Makes life easy. Also, it gives you a cross-check on the system.
Just my PPO2's worth.
Rob
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"CC Rebreathers will become a viable part of tech diving WHEN PIGS FLY!!"--GI3 |