Scott, et al., What's the minimum viz for you to proceed into a cave, scootering? Do you 'use' the line at all / as reference - what max distance do you have to the line? What would you do if you had gone in scootering and although you have plenty of scooters, you have no light / silt out. Do you calculate gas for this too, since you need more to swim out? Is there a SAFE way to not only have on / off switches, but maybe 2 velocities for lower viz or other purposes? It's a drag to swim those guys through a low viz region. Thanks, Claudia
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