Sony CDX-GT740UI Manual
25
Error displays/Messages
CD playback
The disc cannot be loaded.
• Another disc is already loaded.
• The disc has been forcibly inserted upside down or in
• The disc has been forcibly inserted upside down or in
the wrong way.
The disc does not play back.
• Defective or dirty disc.
• The CD-Rs/CD-RWs are not for audio use (page 20).
• The CD-Rs/CD-RWs are not for audio use (page 20).
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.
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.
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.
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 Scroll” is set to “off.”
t Set “Auto Scroll on” (page 19).
t Press (SCRL).
t Press (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.
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.
hub.
Cannot play back items.
A USB device does not work.
t Reconnect it.
t Reconnect it.
The USB device takes longer to play back.
The USB device contains files with a complicated tree
structure.
structure.
A beep sounds.
During playback, the USB device has been
disconnected.
t Before disconnecting a USB device, make sure to
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.
more than 320 kbps.
Checking
The unit is confirming the connection of a USB device.
t Wait until confirming the connection is finished.
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.
• 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 guide manual of this model to
t See the installation guide 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
radio channel into a preset failed.
t Be sure to receive the channel that you want to
store, then try it again.
Hubs Not Supported
USB hub is not supported on this unit.
Local Seek +/–
The local seek mode is on during automatic tuning.
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.
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.
t Insert a music CD in this unit.
t Connect a USB device with a music file in it.
Not Supported
The connected USB device is not supported.
t For details on the compatibility of your USB
t For details on the compatibility of your USB
device, visit the support site.
Offset
There may be an internal malfunction.
t Check the connection. If the error indication
t Check the connection. If the error indication
remains on in the display, consult your nearest
Sony dealer.
Sony dealer.
Overload
USB device is overloaded.
t Disconnect the USB device, then change the source
t Disconnect the USB device, then change the source
by pressing (SOURCE).
t Indicates that the USB device is out of order, or an
unsupported device is connected.
Read
The unit is reading all track and album information on
the disc.
t Wait until reading is complete and playback starts
the disc.
t Wait until reading is complete and playback starts
automatically. Depending on the disc structure, it
may take more than a minute.
may take more than a minute.
continue to next page
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