This should help: http://ikm.digitrax.com/questions.php?questionid=430
It's written for a Super Chief system but you use the Switch button on the Zephyr in the same way.
--Randy
Modeling the Reading Railroad in the 1950's
Visit my web site at www.readingeastpenn.com for construction updates, DCC Info, and more.
Recently my grandson and I added a Bachman DCC turnout to our layout but we cannot figure out how to get tour Digitrax Zephyr DCC controller to recognize. Bachmann provides instructions for linking to their DCC unit but no detail on how to connect to others. Has anyone figured this out?