58ENGLISH SD/USB operationsThis unit can play the MP3 files stored in SD card/USB mass storage class device.• All tracks in the SD card/USB device will be played repeatedly until you change the source.• Make sure all important data has been backed up.Inserting SD card~ Detach the monitor panel.Ÿ Insert an SD card.Push in the SD card until you hear a clickingsound.! Attach the monitor panelThe source changes to “SD” and playback starts.To eject the SD cardDetach the monitor panel, then push in the SD cardlightly.Monitor panelConnecting USB deviceYou can connect a USB mass storage class device such asa USB memory, Digital Audio Player, etc. to the unit.• You cannot connect a computer or portable HDD tothe USB ( ) terminal of the unit.The source changes to “USB” and playback starts.• Avoid using the USB device if it might hinder yoursafety driving.• Do not start the car engine if a USB device isconnected.• Do not pull out and attach the USB devicerepeatedly while “File Check” is shown on thescreen.• Disconnect a USB device while playback is pausedor another source is selected.• Electrostatic shock at connecting a USB devicemay cause abnormal playback of the device. Inthis case, disconnect the USB device then resetthis unit and the USB device.• Do not leave a USB device in the car, expose todirect sunlight, or high temperature to avoiddeformation or cause damages to the device.• For more details about USB operations,☞ page 72.Caution: