Sony XAV-V631BT Operating Instructions - Page 28

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. The BLUETOOTH function cannot be operated.  Turn the ignition off. Wait for a while, then turn the ignition to the ACC position. No sound is output from the car speakers during a handsfree call.  If the sound is output from the cellular phone, set the cellular phone to output the sound from the car speakers. Siri Eyes Free is not activated.  Perform the handsfree registration for an iPhone that supports Siri Eyes Free.  Set the Siri function on the iPhone to on.  Cancel the BLUETOOTH connection with the iPhone and the unit, and reconnect. SongPal operation Application name is mismatched with the actual application in "SongPal."  Launch the application again from the "SongPal" application. Pandora® operation Pandora® connection is not possible.  Shut down the Pandora® application on the mobile device, then launch it again. Error displays/messages USB hub not supported  USB hubs are not supported on this unit. No Playable Data  The disc does not contain playable data (XAV- W651BT).  The iPod has no playable data. - Load music data/files into the iPod.  The USB device has no playable data. - Load music data/files into the USB device. Cannot play this content.  The currently selected content cannot be played back. - Playback content will be skipped to the next one. Overcurrent Caution on USB  The USB device is overloaded. - Disconnect the USB device, then change the source by pressing the SOURCE button. - Indicates that the USB device is out of order, or an unsupported device is connected. USB device not supported  For details on the compatibility of your USB device, visit the support site on the back cover. 28GB