Thanks for bringing this to our attention, @canons900
The information in this article may be more in line with what you're looking for.
( http://support.rachio.com/article/217-rain-sensors )
Out of curiosity, where did you find the link you've pointed out here? With recent changes to our system, many articles are being overhauled and we've been working hard to eliminate any dead links like this one.
I'd like to track this one to its home and put it out of its misery.
Thanks again, and I hope the link I provided proves useful.