freeze up

TL/DR: Poseidon XStream, Mares Abyss 22 Navy II, and Interspiro RS4 have been harshly tested to 198ft at 29 ± 1°F (-1.7 ± 0.6°C). This exceeds any nationally approved standard. Information in this post is only as good as the date of this post, the Navy may add or subtract something from their...

A totally unexpected deep dive panic freeze (diver went catatonic). Had to solve it in an unconventional manner, but it all worked out. Wonder if others would have opted to force an immediate ascent.