Sony MEX-N4280BT Manuale di istruzioni per l'uso - Pagina 32
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While connected to two BLUETOOTH
devices, this unit cannot be detected from
another device.
– Disconnect either connection and search
for this unit from another device.
When the device pairing is made, set the
BLUETOOTH signal output to on (page 10).
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 24).
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.
The talker's voice cannot be heard.
The front speakers are not connected to
the unit.
– Connect the front speakers to the unit.
The talker's voice is output only from the
front speakers.
A call partner says that the volume is too
low or high.
Adjust the volume accordingly using Mic
gain adjustment (page 18).
Echo or noise occurs in phone call
conversations.
Lower the volume.
Set EC/NC Mode to [EC/NC-1] or [EC/NC-2]
(page 18).
If the ambient noise other than the phone
call sound is loud, try reducing this noise.
E.g.: If a window is open and road noise,
etc., is loud, shut the window. If an air
32
GB
conditioner is loud, lower the air
conditioner.
The phone is not connected.
When BLUETOOTH audio is played, the
phone is not connected even if you press
CALL.
– Connect from the phone.
The phone sound quality is poor.
Phone sound quality depends on
reception conditions of 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 audio device
is low (high).
Volume level will differ depending on the
audio device.
– Adjust the volume of the connected
audio device or this unit (page 23).
The sound skips during playback of a
BLUETOOTH audio device.
Reduce the distance between the unit and
the BLUETOOTH audio device.
If the BLUETOOTH audio device is stored in
a case which interrupts the signal, remove
the audio device from the case during use.
Several BLUETOOTH devices or other
devices which emit radio waves are in use
nearby.
– Turn off the other devices.
– Increase the distance from the other
devices.
The playback sound stops momentarily
when the connection between this unit
and the cellular phone is being made. This
is not a malfunction.
The connected BLUETOOTH audio device
cannot be controlled.
Check that the connected BLUETOOTH
audio device supports AVRCP.
Some functions do not work.
Check if the connecting device supports
the functions in question.
A call is answered unintentionally.
The connecting phone is set to answer a
call automatically.