18 | KDC-U446/ KDC-U346/ KDC-U5046/ KDC-U4046/ KDC-U3046AppendixThe marking of products using lasers(Except for some areas)CLASS 1LASER PRODUCTThe label is attached to the chassis/case and saysthat the component uses laser beams that have beenclassified as Class 1. It means that the unit is utilizinglaser beams that are of a weaker class. There is nodanger of hazardous radiation outside the unit.About USB device• In this manual, the word “USB device” is used forflash memories and digital audio players which haveUSB terminals.• When the USB device is connected to this unit,it can be charged up provided that this unit ispowered.• Install the USB device in the place where it will notprevent you from driving your vehicle properly.• You cannot connect a USB device via a USB hub andMulti Card Reader.• Take backups of the audio files used with this unit.The files can be erased depending on the operatingconditions of the USB device.We shall have no compensation for any damagearising out of erasure of the stored data.• No USB device comes with this unit. You need topurchase a commercially available USB device.• When connecting the USB device, usage of the CA-U1EX (option) is recommended.Normal playback is not guaranteed when a cableother than the USB compatible cable is used.Connecting a cable whose total length is longerthan 5 m can result in abnormal playback.About “KENWOOD Music Editor”• This unit supports the PC application “KENWOODMusic Editor Lite ver1.0” or later.• When you use the audio file with databaseinformation added by the “KENWOOD Music EditorLite ver1.0”, you can search a file by title, album orartist name using the (page 12).• In the Instruction manual, the term “Music Editormedia” is used to mean the device that containsaudio files with database information added withKENWOOD Music Editor.• “KENWOOD Music Editor Lite ver1.0” is available fromthe following web site:www.kenwood.com/cs/ce/• For further information on “KENWOOD Music EditorLite ver1.0”, refer to the site above or the applicationhelp.