Go to the Thomann Music website (since t.racks is their house brand). Search for "t.racks DS 2 4" and look for the "Downloads" tab on the product page. The software is usually called "t.racks FIR Control" or a similar control application for Windows (and sometimes macOS).
Fine-tune separate limiters for each channel, including adjustable Threshold, Attack, Hold, and Decay parameters.
Here is a breakdown of what you actually need, where to find it, and how to get it running on a modern computer.
: Enables saving and recalling presets (internal processes) directly from the PC.
Technical data and installation instructions are also available via the official user manual . Key Features of the DS 2/4 Software