Sony MEX-BT4000P Operations Instructions download pdf (Page 43)

43

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 38).

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” (page35).

–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.

–Reconnect it.

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.

Pandora® connection is not possible.

 Shut down the Pandora® application on the

mobile device, and then launch again.

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 23, 24, 35).

Connection is not possible.

 The connection is controlled from one side

(this unit or Bluetooth device), but not both.

– Connect to this unit from a Bluetooth device

or vice versa.

 Check the pairing and connection procedures

in the manual of the other device, etc., and

perform the operation again.

The name of the detected device does not

appear.

 Depending on the status of the other device, it

may not be possible to obtain the name.

No ringtone.

 Adjust the volume by rotating the control dial

while receiving a call.

 Depending on the connecting device, the

ringtone may not be sent properly.

– Set “RINGTONE” to “1” (page 22).

The talker’s voice volume is low.

 Adjust the volume level.

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