JVC KD-ADV7490 Manuel D'instructions page 64

• Noise is generated.
• Tracks cannot play back as you have
intended them to play.
• "Reading" keeps flashing on the display.
• "No File" flashes on the display.
• "No USB" appears on the display.
• "Not Support" appears on the display and
track skips.
• "Read failed" appears on the display.
• Correct characters are not displayed (e.g.
album name).
• While playing a track, sound is sometimes
interrupted.
• The sound is interrupted or skipped during
playback of a USB device.
64
Symptom Remedy/Cause
• The track played back is not a playable file format
(MP3/WMA/WAV). Skip to another file.
• Do not add the extension code <.mp3>, <.wma>, or
<.wav> to non-MP3/WMA/WAV tracks.
Playback order may differs from the one played back
using other players.
• Readout time varies depending on the USB device.
• Do not use too many hierarchy, folders and empty
folders.*
• Turn off the power then on again.
• Do not pull out or connect the USB device repeatedly
while "Reading" is displayed on the display.
* Folder that is phisically empty or folder that contains
data but does not contain valid MP3/WMA/WAV track.
Connect a USB device that contains tracks encoded in an
appropriate format.
The track is unplayable.
The connected USB device may be malfunctioning,
or may not have been formatted correctly. The files
included in the USB device are corrupted.
For available characters, see page 52.
The tracks have not been properly copied into the USB
device. Copy tracks again into the USB device, and try
again.
• Turn off, then turn on the unit.
• Connect the device again, when the sound is not yet
restored.