Sony XAV-68BT Operating Instructions Manual page 28

 Files are not stored in MP3/WMA/Xvid/MPEG-4
format.
 If the disc contains multiple file types, only the
selected file type (audio/video) can be played.
 Select the appropriate file type using the list
(page 13).
MP3/WMA/Xvid/MPEG-4 files take longer to play
than others.
 The following discs take a longer time to start
playback.
 a disc recorded with a complicated tree
structure.
 a disc to which data can be added.
Certain functions cannot be performed.
 Depending on the disc, you may not be able to
perform operations such as stop, search, or
repeat/shuffle play. For details, refer to the
manual supplied with the disc.
The soundtrack/subtitle language or angle
cannot be changed.
 Use the DVD menu instead of the direct selection
button on the remote commander (page 11).
 Multilingual tracks, multilingual subtitles, or
multi-angles are not recorded on the DVD.
 The DVD prohibits changing.
The operation buttons do not function.
The disc will not eject.
 Press the reset button (page 5).
USB playback
Items cannot be played via a USB hub.
 Connect iPod/USB devices to this unit without
USB hub.
Items cannot be played.
 Reconnect the USB device.
The USB device takes longer to play.
 The USB device contains large-sized files or 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.
BLUETOOTH function
The other BLUETOOTH device cannot detect this
unit.
 Set [Bluetooth Connection] to [ON] (page 17).
 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.
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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 15).
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 12).
The sound skips during audio streaming.
 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
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.