Audio files cannot be played.
- USB devices formatted with file systems other than FAT12, FAT16, FAT32 or exFAT*1 are unsupported.*2
The USB port to which the USB device is connected is not appropriate.
- Connect the USB device to the appropriate USB port that supports the file systems.
*1 USB devices formatted with the exFAT file system are available only when connected to the USB port 1.
*2This unit supports FAT12, FAT16, FAT32 and exFAT, but some USB device may not support all of these. For details, refer to the operating instructions of each USB device or contact the manufacturer.