Step 1. Connections
Connect the Mixdeck Quad with your computer using the provided USB cable.
Connect your speakers to the rear Master Output using proper RCA cables and your Headphones to the front socket.
Step 2. Drivers
No drivers are required to be installed. The Numark Mixdeck Quad is a USB Class Compliant device and your Operating system will automatically install the necessary drivers when the unit is connected to your computer.
Step 3. VirtualDJ
Install VirtualDJ 8 from http://www.virtualdj.com/download/index.html (in case you have not done already)
Start VirtualDJ and login with your Account credentials.
A Pro Infinity or a Pro Subscription License is required. http://www.virtualdj.com/buy/index.html
A detection window will appear when the unit is first connected with VirtualDJ.
Click on the "Use Soundcard" button so that VirtualDJ will apply the pre-defined audio configuration (speakers need to be connected to the Master Output of the unit)
Click to OK
Make sure that the channels on the mixer section of the MixDeck Quad are set to USB MIDI and you have toggled each CD player to MIDI mode via the SOURCE button.
The Mixdeck Quad is now ready to operate with VirtualDJ Mixer Controls