I have a circle made of just salt and no triangle. I open the sigil and tell the entity to “come” three times… and listen and feel for changes in ambience. It’s a lot like feeling someone walk into the room, without seeing them. Then you can have what’s basically a telepathic conversation with them as they’re right there in an energy body. That’s the whole thing in a nutshell.
I would go with Lady Eva’s version:
… once you’ve run though it most of this is very detailed and the actual experience is very fast and easier to do than type.