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Sony nv-u53 Manual

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Resetting the unit
If the navigation software freezes, try resetting
the unit.
Press the RESET button, then turn on the unit.
Note
After you reset the unit, it may take time to receive
GPS signals when turning on the unit.
Bluetooth function (NV-U93T/U83 only)
The connecting mobile phone cannot detect
this unit.
t Set “Bluetooth Signal” to “On” (page 13).
• While connecting to the mobile phone, this unit
cannot be detected from another mobile phone.
Disconnect the current connection and search for this
unit from another mobile phone.
Bluetooth connection is not possible.
t Perform pairing again.
• Depending on the model of your mobile phone,
searching from this unit may not be possible.
t Search for this unit from the mobile phone.
• Depending on the status of the mobile phone,
searching from this unit may not be possible.
t Search for this unit from the mobile phone.
t Check the pairing and connection procedures in the
manual of the mobile phone, etc., and perform the
operation again.
t Go to the Sony website to verify that the mobile
phone model is one that can be connected to this
unit.
The name of the detected mobile phone does
not appear.
Depending on the status of the mobile phone, it may
not be possible to obtain the name.
The caller’s voice volume is low.
t Adjust the volume by touching +/– in the display.
Echo or noise occurs in phone call
conversations.
• Lower the volume.
• “Noise / Echo Cancellation” is set to “Off.”
t Set “Noise / Echo Cancellation” to “Mode 1” or
“Mode 2.”
• 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
the air conditioner is loud, lower the air conditioner.
The sound quality of the caller’s voice is poor.
Phone sound quality depends on reception conditions
of mobile phone.
t Move your car to a place where you can enhance
the mobile phone’s signal if the reception is poor.
Some functions do not work.
t Check that the connecting mobile phone 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 phone book.
t Store in the phone book.
• The calling phone is not set to send the phone
number.
Pairing failed due to time out.
Depending on the connecting mobile phone, the time
limit for pairing may be short. Try completing the
pairing within the time.
No sound is output from the unit’s speaker
during hands-free call.
t If the sound is output from the mobile phone, set
the mobile phone to output the sound from the
unit’s speaker.
… 22 …


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