Sony XAV-W650BT Handbuch

GB

The sound is intermittent.
 The sound may be intermittent at a high bit rate 

of more than 320 kbps.

Audio file cannot be played.
 USB device formatted with file systems other 

than FAT16, FAT32, or exFAT are unsupported.*

* This unit supports FAT16, FAT32, and exFAT, but some 

USB device may not support all of these. For details, 
refer to the operating instructions of each USB device 
or contact the manufacturer.

One touch connection (NFC) is not possible.
 If the smartphone does not respond to the touch.

 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 the BLUETOOTH 
connection manually.

The other BLUETOOTH device cannot detect this 
unit.
 Set [Bluetooth Connection] to [ON] (page 19).

 While connecting to a BLUETOOTH device, this 

unit cannot be detected by another device. 
Terminate the current connection and search for 
this unit from the other device. The disconnected 
device can be reconnected by selecting from the 
list of registered devices.

Connection is not possible.
 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.

There is no ringtone.
 Raise the volume while receiving a call.

The talker’s voice volume is low.
 Raise the volume during a call.

The other party says that the volume is too low 
or high.
 Adjust the [MIC Gain] level (page 16).

Echo or noise occurs during call conversations.
 Reduce the volume.

 If ambient noise other than the phone call sound 

is loud, try reducing this noise.
 Shut the window if road noise is loud.

 Lower the air conditioner if the air conditioner 

is loud.

The phone sound quality is poor.
 Phone sound quality depends on reception 

conditions of the cellular phone. 
 Move your car to a place where you can 

enhance the cellular phone’s signal if the 
reception is poor.

The volume of the connected BLUETOOTH device 
is low or high.
 Volume level will differ depending on the 

BLUETOOTH device.
 Reduce the volume level differences between 

this unit and the BLUETOOTH device (page 13).

The sound skips during audio streaming or the 
BLUETOOTH connection fails.
 Reduce the distance between the unit and the 

BLUETOOTH device.

 If the BLUETOOTH device is stored in a case which 

interrupts the signal, remove the case while 
using the device.

 Several BLUETOOTH devices or other devices (e.g. 

ham radio devices) which emit radio waves are 
used nearby.
 Turn off the other devices.

 Increase the distance between the unit and 

other devices.

 Playback sound stops momentarily when this 

unit is connecting to a cellular phone. This is not 
a malfunction.

You cannot control the connected BLUETOOTH 
device during audio streaming.
 Check that the connected BLUETOOTH device 

supports AVRCP.

Some functions do not work.
 Check that the connecting device supports the 

functions in question.

A call is answered unintentionally.
 The connecting phone is set to start a call 

automatically.

 [Auto Answer] of this unit is set to [ON] (page 16).

Pairing failed due to time out.
 Depending on the connecting device, the time 

limit for pairing may be short. Try completing the 
pairing within the time by setting a single digit 
passkey.

The BLUETOOTH function cannot be operated.
 Exit the source by pressing and holding SOURCE 

for 1 second, then turn on the unit.