Sony MEX-BT4100U Mode D'emploi page 41

RDS
The SEEK starts after a few seconds of
listening.
 The station is non-TP or has weak signal.
– Deactivate TA (page 12).
No traffic announcements.
 Activate TA (page 12).
 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.
 RDS data has not been received.
 The station does not specify the program type.
Program service name flashes.
 There is no alternative frequency for the
current station.
– Press  +/– while the program service
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 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 36).
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 35).
– 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.
Application name is mismatched with the
actual application in App Remote.
 Launch the application again from the "App
Remote" application.
Bluetooth function
The connecting device cannot detect this
unit.
 Before the pairing is made, set this unit to
pairing standby mode.
 While connected to a Bluetooth device, this
unit cannot be detected from another device.
– Disconnect the current connection and
search for this unit from another device.
 When the device pairing is made, set the
Bluetooth signal output to on (page 22, 23, 24).
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