Atlas Nscale Mp15dc

I was wondering if anyone could help me with a problem i am having. im trying to install ditch lights on my atlas mp15dc w/ digitrax decoder. but i have no clue how to make the ditch light yet alone change the cvs so that they work prototipically.

thanks.

From Digitrax’s website.

http://www.digitrax.com/kb/index.php?a=149