Before SSL 2.0, you could modify an XML to override the buttons/knobs on a controller with Native Support in Serato Scratch Live.
After SSL 2.0, it was nearly impossible until I figured you could hijack the MIDI input using the FREE MidiOX software or Bome's MIDI Translater. You would leave the MIDI output alone to get the HID and LED button lights support in SSL.Read more
DN-SC2000 is not officially supported in Serato Scratch Live. But that doesn't mean you can't program this wonderful controller in MIDI. Thanks to Konix and radikarl on Serato's Forum, there is Jog Wheel Support for Scratching.Read more
I finished the Custom MIDI Mapper XML for the DN-S3700 and Serato Scratch Live. I will now work on updating the PDF and create a video. With Scratch Live 2.5.0, Serato added enabled MIDI out so your precious buttons will light up.Read more