connect a digisnake with 8 XLR male connectors to the 192's output and the Pro Control's output.connect a digisnake with 8 XLR female connectors to the Pro Control input 1 and Pro Control input 2.then, make the following connections:192 out ch 1 & 2 to Pro Control Input 2, ch 7 & 8192 out ch 3 & 4 to Pro Control Input 1, ch 7 & 8Pro Control Output ch 7 & 8 to your main speakersPro Control Output ch 3 & 4 to your alternate speakersPro Control Output ch 1 & 2 to your headphone mix systemcreate a stereo Aux input and label it "cue mix".Set this track to send its output to 192 Output 3 & 4.use Aux sends on the tracks in your mix to send all the tracks you want to this cue mix bus.You can control the cue mix master volume with this Aux channel's fader.