Troubleshooting
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| No sound heard. | MP3/WMA files are ab- | Write MP3/WMA files onto the disc properly. | |
| Problem | Cause | Measure |
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| sent in a disc. |
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| Files are not recognized | Use MP3/WMA files encoded properly. |
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| as an MP3/WMA file. |
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| File system is not cor- | Use ISO9660 level 1, 2 or JOLIET or Romeo |
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| rect. | file system. |
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DISC | Sound skips or is noisy. | Disc is dirty. | Clean the disc with a soft cloth. |
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| Disc is heavily scratched | Replace with a disc with no scratches. |
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| or warped. |
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CD/MP3/WMA |
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Sound is cut or skipped. | MP3/WMA files are not | Use MP3/WMA files encoded properly. |
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| Noise is generated or | encoded properly. |
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| noise is mixed with |
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| sound. |
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| Sound is bad directly | Water droplets may form | Let dry for about 1 hour with the power on. |
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| after power is turned on. | on the internal lens when |
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| the car is parked in a |
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| humid place. |
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| Wrong filename. | File system is not cor- | Use ISO9660 level 1, 2 or JOLIET or Romeo |
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| rect. | file system. |
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| WMA file has no sound | The song may be copy | Disable DRM as describe in the chapter “To dis- |
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| output and skip to next | protected (DRM). | able DRM (Digital Rights Management)” |
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| track. |
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DUB278RMP 31