Start/exit the DJ application in the following sequence:

■ Starting the DJ application

1. Connect the OPUS-QUAD to your PC/Mac using the USB cable.

2. Press the [SOURCE] button, then press the [SOFTWARE CONTROL] button.

3. Press the [LOAD 1/3] or [LOAD 2/4] buttons.

4. Start the DJ application.

■ Exiting the DJ application

1. Quit the DJ application.

2. Turn off the OPUS-QUAD or disconnect the USB cable.

*If you disconnect and connect the USB cable while the DJ application is running, a malfunction might occur.