How to get the blood pressure, pulse and O2 in Townfall

The Silent Hill Townfall vital signs puzzle sees you finding blood pressure, heart rate and 02 for a doctor on an intercom. However, there are multiple machines to reach, and an array of numbers to choose from. And, every time you pick the wrong machine you take damage. To get the answers you need means reading the instructions for each machine on a laptop to find out which ones are wrong, and using that to find the right numbers to pass on to the doctor. Here's how to do that. How to get the bl