CV

CV means: Configuration Variable.
A Configuration Variable is a memory location in the decoder that controls the behaviour of the decoder.
Here are the texts for the CV's summarized. CVlist.
The setting of the DC Cars is facilitated with the CV-Programmer.
This piece of hardware makes it possible to read and write CV settings from the decoder into the PC.
It also ussed for the XT-Modul.

The alternative is programming through POM which stands for Programming On Main (track).
This requires a Progset and a digital system.

Main track programming is also possible with a digital system and a DC-Car-Booster.
For this purpose, the booster has to be set up correctly(placing a jumper).