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Anyone Know How To Remap Functions On Titan Decoders ?

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  • Member since
    December 2004
  • From: Bedford, MA, USA
  • 21,483 posts
Posted by MisterBeasley on Sunday, October 19, 2014 8:31 AM

The chart of interest is on page 7 of this NMRA document:

http://www.nmra.org/sites/default/files/standards/sandrp/pdf/s-9.2.2_decoder_cvs_2012.07.pdf

The problem, as I read it, is not in the Titan but rather in the limitations of the NMRA specification for how these work.  Your choice of F3 is controlled by CV 37.  That particular CV can only control outputs 1-8.

I think you could accomplish what you want using F4 instead of F3.  Set CV 38 to 256 (0x0100) and set CV 43 to zero.  If F4 is already busy, you can re-map that to F3 by setting CV 37 to 32 (0x0020).

 

It takes an iron man to play with a toy iron horse. 

  • Member since
    April 2004
  • From: Ontario Canada
  • 3,574 posts
Posted by Mark R. on Saturday, October 18, 2014 11:42 AM

After some research, it appears almost as though the only people that know how to re-map the functions on a Titan without their programmer are the guys that designed it !

Sure glad I don't have any of these myself !

Mark.

¡ uʍop ǝpısdn sı ǝɹnʇɐuƃıs ʎɯ 'dlǝɥ

  • Member since
    April 2004
  • From: Ontario Canada
  • 3,574 posts
Anyone Know How To Remap Functions On Titan Decoders ?
Posted by Mark R. on Saturday, October 18, 2014 1:40 AM

This has been a mind-numbing experience. The manual is right next-door to being useless. Just when you think you're on the right track, it's almost as though they forgot the last step !

All I want to do is configure PORT 9 (flashing front overhead light) to be controlled by F3 and disable the sound currently in F3.

After reading many other forums, it doesn't sound like too many people outside of the designers understand how function mapping works on these things. Even using Decoder Pro (which I don't have) isn't very clear and usually results in a guessing game.

Mark.

¡ uʍop ǝpısdn sı ǝɹnʇɐuƃıs ʎɯ 'dlǝɥ

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