ohhh I see now. So he was saying that holding B will cool the gun, but it won't actually cloak you if the gun is hot or whatever. That's pretty interesting. In the video we saw it looked pretty instant, but there's no way to tell what temp the gun was. It's something to keep an eye on in future videos at least.
Scientists investigate that which already is; Engineers create that which has never been -Albert Einstein Wanting: Golden Sun DD, Conduit 2, Starcraft 2, Civ V