MP3/WMA/AAC playbackSymptom Remedy/CauseDisc cannot be played back. 0 Record the tracks using a compliant application on theappropriate discs. (A page 20)0 Add appropriate file extensions to the file names.“READING” keeps flashing on thedisplay. A longer readout time is required. Do not use too manyhierarchical levels and folders.Tracks do not play back in theorder you have intended them toplay.The playback order is determined when the files are recorded.The elapsed playing time is notcorrect. This sometimes occurs during playback. This is caused by howthe tracks are recorded on the disc.USB device playbackSymptom Remedy/Cause“READING” keeps flashing on thedisplay.0 A longer readout time is required. Do not use too manyhierarchical levels or folders.0 Turn off the power then on again.0 Reattach the USB device again.“NOT SUPPORT” appears on thedisplay and track skips. Check whether the track is a playable file format.Tracks/folders are not played backin the order you have intended. The playback order is determined by the file name. Folders withnames beginning with numbers are sorted in numerical order.Folders with names not beginning with numbers are sortedaccording to the file system of the USB device.0 “CANNOT PLAY” flashes or “NOUSB” appears on the display.0 The unit cannot detect the USBdevice.0 Check whether the connected USB device is compatible withthis unit.0 Reattach the USB device again.While playing a track, sound issometimes interrupted. The tracks have not been properly copied into the USB device.Copy tracks again into the USB device, and try again.iPod/iPhone playback (KD-DB52 only)Symptom Remedy/CauseThe iPod does not turn on or doesnot work.0 Check the connecting cable and its connection.0 Charge the battery of the iPod/iPhone.0 Reset the iPod/iPhone.0 Check whether setting is appropriate.(A page 12)The sound is distorted. Deactivate the equalizer either on this unit or the iPod/iPhone.Noise is generated. Turn off (uncheck) the “VoiceOver” feature of the iPod.For details, visit .Playback stops. The headphones are disconnected during playback.Restart the playback operation. (A page 11)“CANNOT PLAY” flashes on thedisplay.Check whether the connected iPod/iPhone is compatible withthis unit. (A page 11)TroubleshootingENGLISH | 23