JVC KD-R721 - Manuel (Page 26)

26 ENGLISH
Symptom Remedy/Cause
Disc playback
Disc cannot be played back. Insert the disc correctly.
CD-R/CD-RW cannot be played back and
track cannot be skipped. Insert a finalized CD-R/CD-RW (finalize with the component which
you used for recording).
Disc sound is sometimes interrupted. Stop playback while driving on rough roads. / Change the disc. /
Check the cords and connections.
“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.
“IN DISC” appears on the display. The disc cannot be ejected properly. Make sure nothing is blocking
the loading slot.
MP3/WMA playback
Disc cannot be played back. Use a disc with MP3/WMA tracks recorded in a format compliant with
ISO 9660 Level 1, Level 2, Romeo, or Joliet. / Add the extension code
<.mp3> or <.wma> to the file names.
Noise is generated. Skip to another track or change the disc.
“READING” keeps flashing on the display. A longer readout time is required. 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.
The elapsed playing time is not correct. This sometimes occurs during playback. This is caused by how the
tracks are recorded on the disc.
“NOT SUPPORT” appears and track skips. Skip to the next track encoded in an appropriate format or to the next
non-copy-protected WMA track.
USB playback
“READING” keeps flashing on the display. A longer readout time is required. Do not use too many hierarchical
levels and folders. / Turn off the power then on again. / Reattach the
USB device again.
Noise is generated. Skip to another file.
While playing a track, sound is
sometimes interrupted. The tracks have not been properly copied into the USB device. Copy
tracks again into the USB device, and try again.
Tracks/folders are not played back in the
order you have intended. The playback order is determined by the file name. Folders with
numbers on the initial of their names are sorted in numerical order.
However, folders with no numbers on the initial of their names are
sorted according to the file system of the USB device.
“USB ERROR”
= “REMOVE USB” =
“PWR OFF/ON” scrolls on the display.
An over-current occurs. Turn off, then turn on the unit.
“NOT SUPPORT” appears and track skips. Check whether the track is a playable file format.
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