Sony MEX-N4000BT User Manual download pdf (Page 23)

23GB

 If the auto antenna (aerial) will not extend,

check the connection of the power antenna

(aerial) control lead.

Preset tuning is not possible.

 The broadcast signal is too weak.

RDS

The SEEK starts after a few seconds of listening.

 The station is non-TP or has weak signal.

 Deactivate TA (page 10).

No traffic announcements.

 Activate TA (page 10).

 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 SEEK +/– 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 does not play back.

 Defective or dirty disc.

 The CD-R/CD-RW is not for audio use (page 19).

MP3/WMA files cannot be played back.

 The disc is incompatible with the MP3/WMA

format and version. For details on playable discs

and formats, visit the support site.

MP3/WMA 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 sound skips.

 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.

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.

NFC function

One touch connection (NFC) is not possible.

 If the smartphone does not respond to the

touching.

 Check that the NFC function of the smartphone

is turned on.

 Move the N-Mark part of the smartphone

closer to the N-Mark part on this unit.

 If the smartphone is in a case, remove it.

 NFC receiving sensitivity depends on the device.

If One touch connection with the smartphone

fails several times, make BLUETOOTH connection

manually.

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 7).

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.

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 18).

 The front speakers are not connected to the unit.

 Connect the front speakers to the unit. The

ringtone is output only from the front speakers.

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Sony MEX-N4000BT User Manual Page 23

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Sony MEX-N4000BT User Manual Page 23

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