| I've had the experience of diving with my GUE instructor when he was doing some shakedown stuff with his RB80. Although I didn't know enough about the unit to do any critiquing of how it was working, we did practice S-drills with him on the dive, and with the exception of the rather dramatic toss of the loop, they were the same S-drills I was used to.
The system's pretty solid, in that it accepts all these upgrades without changing the basics. One of the things that keeps me a pretty committed DIR diver.
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"So, it's a good thing to always do the drills the same way . . . but in real life you need to act the right way, whatever that happens to be." LauNar |