Quote: (Originally Posted by
chunter)

I believe it does do CCR. I think the major difference is the number of gasses. I think it will also only do normoxic trimix.
It does do CCR and a 4th cell can be connected
You can install up to 10 pre-set gases in the VR3’s gas list; air, oxygen or any nitrox, trimix or heliox mixture. In the VR2 you can install up to 4 gases, air and nitrox mixtures only.
VR 2 Decompression Computer