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| Symptom | Remedy/Cause | |
General | Sound cannot be heard from the speakers. |
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| "PROTECT" appears on the display and no operations can be done. | Check to be sure the terminals of the speaker leads are covered with insulating tape properly, then reset the unit. If "PROTECT" does not disappear, consult your JVC IN-CAR ENTERTAINMENT dealer or a company supplying kits. | |
| The unit does not work at all. | Reset the unit. | |
| "AUX" cannot be selected. | Check the <SRC SELECT> → <AUX IN> setting. | |
FM/AM | SSM automatic presetting does not work. | Store stations manually. |
| Static noise while listening to the radio. | Connect the aerial firmly. | |
| "AM" cannot be selected. | Check the <SRC SELECT> → <AM> setting. | |
Disc/Playback | Disc cannot be played back. | Insert the disc correctly. |
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| Disc can neither be played back nor ejected. |
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| Disc sound is sometimes interrupted. |
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| "NO DISC" appears on the display. | Insert a playable disc into the loading slot. | |
| "PLEASE" and "EJECT" appear alternately on the display. | Press 0, then insert a disc correctly. | |
MP3/WMA playback | Disc cannot be played back. |
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| Noise is generated. | Skip to another track or change the disc. (Do not add the extension code <.mp3> or <.wma> to non-MP3 or WMA tracks.) | |
| A longer readout time is required ("READING" keeps flashing on the display). | Do not use too many hierarchical levels and folders. | |
| Tracks do not play back in the order you have intended them to play. | The playback order is determined when the files are recorded. | |
| For KD-R412/KD-R411/KD-R35: "NO FILE" appears on the display. | Selected folder is an empty folder *. Select another folder that contains MP3/WMA tracks. * Folder that is physically empty or folder that contains data but does not contain valid MP3/WMA track. | |
| "NOT SUPPORT" appears on the display and track skips. | Skip to the next track encoded in an appropriate format or to the next non-copy-protected WMA track. | |
| The elapsed playing time is not correct. | This sometimes occurs during playback. This is caused by how the tracks are recorded on the disc. | |
| The correct characters are not displayed (e.g. album name). | This unit can only display letters (upper case), numbers, and a limited number of symbols. | |
USB device playback (for KD-R412/KD-R411/KD-R35) | Noise is generated. | The track played back is not an MP3/WMA track. Skip to another file. (Do not add the extension code <.mp3> or <.wma> to non-MP3 or WMA tracks.) |
| "READING" keeps flashing on the display. |
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| "NO FILE" appears on the display. | Selected folder is an empty folder*. Select another folder that contains MP3/WMA tracks. * Folder that is physically empty or folder that contains data but does not contain valid MP3/WMA track. | |
| "NOT SUPPORT" appears on the display and track skips. | Skip to the next track encoded in an appropriate format or to the next non-copy-protected WMA track. | |
| Tracks/folders are not played back in the order you have intended. | The playback order is determined by the write-in time stamp. The first track/folder written into the USB device will be the first track/folder for playback. | |
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| The correct characters are not displayed (e.g. album name). | This unit can only display letters (upper case), numbers, and a limited number of symbols. | |
| While playing a track, sound is sometimes interrupted. | The MP3/WMA tracks have not been properly copied into the USB device. Copy MP3/WMA tracks again into the USB device, and try again. | |
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