--DJUCED Mapping Install Guide-- Unzip the file DJCStarlight_Mapping_Deck_3-4_-_Djuced.zip Connect DJControl Starlight to the computer where you have already installed Djuced 5. Double click on the "DJControl Starlight - Deck 3_4.djm" file. It opens DJUCED and installs the mapping files into "Documents/DJUCED/midi" In DJUCED > Settings > Mapping, you may choose between 2 mapping files - DJControl Starlight = Hercules DJControl Starlight Default mapping = DJControl Starlight controls the decks 1 & 2 - Hercules DJControl Starlight - Deck 3-4 Control = DJControl Starlight control for Decks 3-4 MIDI Mapping Please follow this guide for more detailed informations: https://www.djuced.com/kb/how-to-install-and-or-use-a-secondary-controller-mapping-in-djuced/