As far as he's concerned, the moment is already passed anyway.

He'll stop, shake his head.

"Okay. Let's try this again. The parts that stay consistent are this," he taps the upper left corner again, "Which activates the locking system. And then this," and he'll make the twisting motion on the page again,"Which completes the lock once you get all the information in it. The pattern itself is your 'code' for the lock to open. You have to be able to make it exactly the same each time. If you can't, you can always use a number or word sequence instead."