Sony MEX-N7300BD Operating Instructions Manual page 29

The operation buttons do not function.
The disc will not eject.
 The connection is not correct.
– Press DSPL and CALL for more than
2 seconds to reset the unit.
The contents stored in memory are
erased.
The clock set automatically is not accurate.
 The clock data on radio waves is not
accurate.
– Set the clock manually (page 7).
Radio reception
The radio reception is poor.
Static noise occurs.
 Connect the antenna (aerial) firmly.
DAB/DAB+ radio reception
DAB stations cannot be received.
 See [NO STATION] (page 32) for details.
No traffic announcements.
 Disable DAB announcements (page 12).
– Traffic announcements are disabled
while DAB announcements are enabled.
RDS
The SEEK starts after a few seconds of
listening.
 The station is non-TP or has weak signal.
– Deactivate TA (page 13).
No traffic announcements.
 Activate TA (page 13).
 The station does not broadcast any traffic
announcements despite being TP.
– Tune in another station.
PTY displays [- - - - - - - -].
 The current station is not an RDS station,
or the radio reception is poor.
Program station name flashes.
 There is no alternative frequency for the
current station.
– Press / (SEEK –/+) while the
program station name is flashing. [PI
SEEK] appears and the unit starts
searching for another frequency with
the same PI (program identification)
data.
CD playback
The disc does not play.
 Defective or dirty disc.
 The CD-R/CD-RW is not for audio use
(page 24).
MP3/WMA/AAC files cannot be played.
 The disc is incompatible with the MP3/
WMA/AAC format and version. For details
on playable discs and formats, visit the
support site on the back cover.
MP3/WMA/AAC files take longer to play
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.
USB device playback
A USB device takes longer to play.
 The USB device contains files with a
complicated tree structure.
The audio file cannot be played.
 For details on supported formats, see
"Specifications" (page 26).
If the audio file still cannot be played, refer
to the operating instructions supplied with
the USB device, or contact the
manufacturer of the USB device.
Operations for skipping an album,
skipping items (Jump mode), and
searching a track by name ("Quick-
BrowZer") cannot be performed.
 Set [USB MODE] to [MSC/MTP] (page 21).
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