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uu Audio System Basic Operation u System Updates 304 Features ■ Download the update files from the server 1. Select . u A notification appears on the screen. 4. Connect a USB device into the front USB port. u The inventory data is copied into the USB 5. Remove the USB device from the USB port. computer, and then download the update u Follow the link to download the required ■ How to Update with a USB Device 1 How to Update with a USB Device A USB device with a minimum of 8 GB of free space Be sure to delete any previous inventory or update |