30 LINE OUT - LAYER AUse standard RCA cables to connect this output to your DJ mixer and send out the audio signal from Layer A. Denon This output is used only in Standalone mode.31 LINE OUT - LAYER BUse standard RCA cables to connect this output to your DJ mixer and send out the audio signal from Layer B. This output is used only in Standalone mode.32 DIGITAL OUTUse standard digital coaxial cables to connect these 24-bit/96 KHz outputs to devices and mixers such as the Denon DJ X1800/X1850 Prime mixers.33 REMOTEUse a standard remote start cable to connect this input to the remote-start output of your mixer (if available). While connected to a remote-start-compatible mixer, moving the crossfader toward the side that corresponds to this SC6000 Prime (or raising the channel fader for its channel) will automatically start the track on the currently selected layer.34 USB HUB Connect standard USB drives to these USB ports. When you select one of those USB drives as a source (press the Source button), you can use the display to select and load tracks on your USB drives. There is also a similar USB port on the front panel. Note that devices connected to these ports will not be available as Computer devices, if the SC6000 is in Standalone mode35 USBUse the provided USB cable (included) to connect this USB port to an available USB port on your computer. This connection sends and receives MIDI messages to and from the computer when the SC6000 is set to Computer mode 36 LINKUse the included networking cable to connect this port to another SC6000 Prime or to your Denon DJ X1800/X1850 Prime mixer. Each networked SC6000 Prime can share track databases, timing and BPM information, and other track data over this connection. This connection is not used in Computer mode.37 POWER BUTTONPress this button to power SC6000 Prime on or off. Power on SC6000 Prime only after you have connected all of your input devices and before you power on your amplifiers and loudspeakers. Power off your amplifiers and loudspeakers before powering off SC6000 Prime. Press and hold this button for 10 seconds to reset SC6000 Prime. 38 POWER INPUT Use the included power cable to connect this input to a power outlet. SC6000 Prime has a protection circuit to keep it powered on for 10 seconds after an unexpected power loss. Within 10 seconds after losing power (you will see a message in the display), reconnect it to your power source to return to normal operation.