Sony XNV-770BT Mode D'emploi page 71

USB playback
Items cannot be played via a USB hub.
This unit cannot recognize USB devices via a 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.
A beep sounds.
During playback, the USB device has been
disconnected.
t Before disconnecting a USB device, make sure to
stop playback first for data protection.
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 "Signal" to "ON" (page 46).
• Set "Discoverable" to "Show" (page 46).
• While connecting to a Bluetooth device, this unit
cannot be detected from another device. Disconnect
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.
This unit cannot detect the other Bluetooth
device.
Check the Bluetooth setting of the other device.
Connection is not possible.
• Depending on the other device, searching from this
unit may not be possible.
t Search for this unit from the other device.
• Depending on the status of the other device,
searching from this unit may not be possible.
t Search for this unit from the other device.
• 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.
• Depending on the connecting device, the ringtone
may not be sent properly.
t Set "Ringtone" to "Default" (page 46).
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 41).
Echo or noise occurs during call
conversations.
• Reduce the volume.
• "EC/NC Mode" is set to "OFF."
t Set "EC/NC Mode" to "Mode 1" or "Mode 2"
(page 46).
• If ambient noise other than the phone call sound is
loud, try reducing this noise.
t Shut the window if road noise is loud.
t 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.
t 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.
t Reduce the volume level differences between this
unit and the Bluetooth device (page 45).
No sound is output during audio streaming.
The connected Bluetooth device is paused.
t Cancel pause of the Bluetooth device.
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.
t Turn off the other devices.
t Increase the distance from the other devices.
• The 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.
The name of the other party does not appear
when a call is received.
• The other party is not stored in the phonebook.
t Add the other party to the phonebook (page 42).
• The calling phone is not set to send the phone
number.
A call is answered unintentionally.
• The connecting phone is set to start a call
automatically.
• "Auto Answer" of this unit is set to "Short" or
"Long" (page 46).
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