Well, it's a different existential horror, one that's not including him quite so intensely. Walter can't hear the expression on Russell's face, though he might pick up a little of it in his voice.

"You're seeing... Bloody hell, not even computer code, but only live code? Not the moving cursor?"

He helpfully wiggles the cursor around some more, just in case, because he is not computer savvy enough to exactly follow what Walter's currently perceiving.

"Uh, uh... You're hearing me fine, is everything else... Smell and touch, and all?"