want to consist bachmann sharks with an er shark with tcs decoder what cv and value with set the shark to run in reverse as a trailing a unit
Add 1 to the present value of CV29. What the total value will be depends on what has already been programmed into CV29 (alternate power source enabled or disabled, 2 digit or 4 digit address selected, and so on.) For more information on CV29 and what it controls, scroll half way down the page at this link:
http://www.nmra.org/standards/DCC/standards_rps/rp922.html (http://www.nmra.org/standards/DCC/standards_rps/rp922.html)
Jim