Error Displays/Messages - Sony CDX-GT550UI Mode D'emploi

MP3/WMA/AAC files cannot be played back.
The disc is incompatible with the MP3/WMA/AAC
format and version. For details on playable discs and
formats, visit the support site.
MP3/WMA/AAC files take longer to play back
than others.
The following discs take a longer time to start
playback.
– a disc recorded with a complicated tree structure.
– a disc recorded in Multi Session.
– a disc to which data can be added.
The display items do not scroll.
• For discs with very many characters, those may not
scroll.
• "AUTO SCR" is set to "OFF."
t Set "A.SCRL-ON" (page 20).
t Press and hold (DSPL) (SCRL).
The sound skips.
• Installation is not correct.
t Install the unit at an angle of less than 45° in a
sturdy part of the car.
• Defective or dirty disc.
The operation buttons do not function.
The disc will not eject.
Press the RESET button (page 6).
USB playback
You cannot play back items via a USB hub.
This unit cannot recognize USB devices via a USB
hub.
Cannot play back items.
A USB device does not work.
t Reconnect it.
The USB device takes longer to play back.
The USB device contains files with a complicated tree
structure.
A beep sounds.
During playback, the USB device has been
disconnected.
t Before disconnecting a USB device, make sure to
stop playback first for data protection.
The sound is intermittent.
The sound may be intermittent at a high-bit-rate of
more than 320 kbps.
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Error displays/Messages

CHECKING
The unit is confirming the connection of a USB device.
t Wait until confirming the connection is finished.
ERROR
• The disc is dirty or inserted upside down.
t Clean or insert the disc correctly.
• A blank disc has been inserted.
• The disc cannot play due to a problem.
t Insert another disc.
• USB device was not automatically recognized.
t Reconnect it again.
• Press Z to remove the disc.
FAILURE (Illuminates until any button is pressed.)
The connection of speakers/amplifiers is incorrect.
t See the installation/connections manual of this
model to check the connection.
FAILURE (Illuminates for about 1 second.)
When the SAT tuner is connected, storing an SAT
radio channel into a preset failed.
t Be sure to receive the channel that you want to
store, then try it again.
HUB NO SUPRT (Hubs Not Support)
USB hub is not supported on this unit.
L. SEEK +/–
The local seek mode is on during automatic tuning.
NO DEV (No Device)
USB is selected as source without a USB device
connected. A USB device or a USB cable has been
disconnected during playback.
t Be sure to connect a USB device and USB cable.
NO MUSIC
The disc or USB device does not contain a music file.
t Insert a music CD in this unit.
t Connect a USB device with a music file in it.
NO NAME
A disc/album/artist/track name is not written in the
track.
NOT FOUND
There is no item beginning with the selected letter in
Alphabet search.
OFFSET
There may be an internal malfunction.
t Check the connection. If the error indication
remains on in the display, consult your nearest
Sony dealer.
OVERLOAD
USB device is overloaded.
t Disconnect the USB device, then change the source
by pressing (SOURCE/OFF).
t Indicates that the USB device is out of order, or an
unsupported device is connected.