Pioneer Ddj Sr Virtual Dj Mapping Download Just leave these 2 buttons with their default mapping.Posted Sun 16 Feb 14 6:40 pm. This means that any button you press will be sent from the unit as 'deck 3 button X' Syntet1c gave you a very good idea above to take care of your extra mapping needs if you wish. Pressing button '3' for instance will set the left side of the unit to operate deck 3 on hardware level. This means that they are 'special' buttons and they can't be mapped for any other purpose than the one they were meant to. PRO Infinity Senior staff Member since 2007 As above: Deck select buttons besides sending MIDI messages on the software they also operate on device's firmware level. If you want to separate the controller into A-B and C-D you can use the following pattern actiondeck 1? Stuff for deck one audio: actiondeck 2? Stuff for deck two audio: actiondeck 3? Stuff for deck one video: actiondeck 4? Stuff for deck two video: nothingPosted Sun 16 Feb 14 3:32 pm. That would mean large modifications to both the mapping and definition file though. PRO Infinity Member since 2010 probably not, Pioneer often build the deck shifts into their firmware, you might have to pick some other buttons, alternatively you could have the deck A & B layer control audio only and have decks C & D control video features.