LTB Audio Systems USB Pro 5.1 Surround Sound Headphone System User Manual page 13

8. When set up program completes installation the system will need to restart to
initialize the driver.
9. After reboot and system is up and running again, you can see a small icon
on right lower tray. You can click it to open USB Multi Channel Sound driver
functions for more control.
10. If your PC system has more than one USB port, you can just plug the USB
Personal Multi-media Device to any USB port. If this port is correct the driver
will detect the device and show a task bar on the bottom right side of the screen to
telling you which port is correct.
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