This message will appear if a USB device or USB Flash memory drive that is not supported has been connected to the USB direct interface.
This message will also appear if you connect a broken device to the USB direct interface.
Please check the following specifications of the supported USB Flash memory drive.
||USB Mass Storage Class|
||SCSI or SFF-8070i|
||BOT (Bulk transfer Only)|
*NTFS format is not supported.
||16MB - 8GB|