Sony CDX-DAB500U - Manual (Page 28)

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CD playback
The disc cannot be loaded.
 Another disc is already loaded.
 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 24).
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.”
– Set “A.SCRL-ON” (page 22).
– Press and hold
 (SCRL).
The sound skips.
 Installation is not correct.
– Install the unit at an angle of less than 45° in
a sturdy part of the car.
 Defective or dirty disc.
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.
– Connect it again.
A USB device takes longer to play back.
 The USB device contains files with a
complicated tree structure.
The sound is intermittent.
 The sound may be intermittent at a high-bit-
rate of more than 320 kbps.
Error displays/Messages
CHECKING
 The unit is confirming the connection of a
USB device.
– Wait until confirming the connection is
finished.
ERROR
 The disc is dirty or inserted upside down.
– Clean or insert the disc correctly.
 A blank disc has been inserted.
 The disc cannot play due to a problem.
– Insert another disc.
 USB device was not automatically recognized.
– Connect it again.
 Press  to remove the disc.
FAILURE
 The connection of speakers/amplifiers is
incorrect.
– See the installation/connections manual of
this model to check the connection.
HUB NO SUPRT (Hubs Not Supported)
 USB hub is not supported on this unit.
NO AF (No Alternative Frequencies)
 There is no alternative frequency for the
current station.
– Press
 +/– while the program service
name is flashing. The unit starts searching
for another frequency with the same PI
(Program Identification) data (“PI SEEK”
appears).
NO DATA
 There is no program type for the current DAB
service.
– Press
(BACK).