I can't control rekordbox. Why not?

The XDJ-RX3 might not be not properly connected, or rekordbox or your operating system might not be able to recognize the unit as a controller.

■ XDJ-RX3
Connect the unit using the following sequence:
1. Connect the XDJ-RX3 to your PC/Mac using the USB cable.
2. Press the SOURCE button, then press the SOFTWARE CONTROL button.
　　Set the [MIXER MODE] setting in the Utility settings if necessary.
3. Press the LOAD 1 and LOAD 2 buttons.
4. Start your DJ application.

If this doesn't improve the connection, try the following:

■ Operating system
Mac users, follow the procedures in the guide [here].

Windows users, follow the steps in Case 5 of the guide [here].

■ Others
You might solve the issue by doing the following:
- Disconnect any USB hubs and connect the unit directly to your PC/Mac.
- Disconnect any other USB devices.
- Quit all other applications.
- Connect the unit to a different USB port.