"I can work with that. Find the panel labelled with the handwriting 'looks good' and tell me if the relays go into overload when I finish typing in this last bit of stuff." It won't take too long to finish it, and the panel isn't far away. He's hoping that they don't overload, oddly enough, overloading is bad, but this equipment - he's having to teach himself how it works even while he's trying to fix it.