last site update 5thSeptember2017


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Fitting Guides CT Elektronik Documentation Build Your Own Sounds for CT

Coupling Auto-Couplings

YouChoos Products

CT decoders provide comprehensive support for auto-decoupling devices, providing tuning for function output strength, and hold time, as well as triggering of automatic sequences where a single Function Key press can push the loco toward a wagon, activate the decoupling device, pull away from the wagon, then switch off the device. Front and rear coupling devices can be given their own tuning, and different Function Keys can activate front and rear decouplers.

CVs 152 and 153 determine which Function Keys activates the decoupling sequence for front and rear.

CVs 147 to 151 control the movement of the loco during this sequence.

CVs 55 and 56 define the strength of the decoupler's holding current, and the period to hold the decoupling device on.

CV 58 determines which of the AUX outputs have decoupling devices attached.

Experimentation will often be required to determine what values work best for a particular decoupling device, and motion configuration will vary depending upon the motor's characteristic, and the momentum CVs.


Experiences & Commentaries

YouChoos Resouces

HINT: For document links below, either open them directly in your web browser by clicking the links, or right-click and save target instead...

YouChoos commentary on various decoders    
YouChoos Products

Build your own sounds for CT decoders

YouChoos no longer supplies CT products, but if you are interested in obtaining a license for the YouChoos/CT SoundProg software, this is still available, costing £25 for a single PC license. Note that no further maintenance is planned.

The software was developed by YouChoos and runs on a PC enabling you to build, manage and load your own sound projects into CT sound decoders!

Build your own sounds for CT decoders Costs only £125

Required parts:

  • CT SoundProg device (not supplied)
  • UK power supply (not supplied)
  • Serial-to-USB cable (can be supplied by YouChoos on request)
  • YouChoos' own software for creating, managing and loading sound projects to CT decoders (included in &25 license)
  • Full documentation (supplied digitally)

Download Software

Download Software

Anyone can try out this software for free by downloading the latest version from here. A license key is required to save projects, or to load them into a decoder.

User Guide

Download User Guide (PDF)

Download the User Guide for the YouChoos CT SoundProg application here.

Version History

Enhancements and Fixes

View Version History here, for a list of enhancements and bug fixes.

The YouChoos CT SoundProg application provides an easy-to-understand interface for configuration of CT Elektronik sound decoders, including an intuitive design for almost all aspects of the decoder's features - not just sound. Take a look at the screen shots below to get an idea of how powerful and simple this is...

Project details Edit individual CVs DCC loco address
Motor tuning and speed settings Function Outputs Steam sound schedule
Diesel/Electric sound schedule Callable sound effects Sound configuration
Function Key mapping Update decoder Firmware or load sound project