Please note that the correct address must be set on the decoder. This address consists of a particular group of settings for the DIP switches on the k84 decoder and the use of a particular output on the k84 decoder.
Four consecutive addresses can accordingly always be accessed on a k84 decoder.
During the configuration process for the item to be controlled you can read the appropriate switch settings and the output to be used on the k84 decoder after you have selected the corresponding group of switches (8 switches for the k84 decoder) and then transfer the settings to the decoder.

The Outputs on the k84 Decoder