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Sony MEX-BT3900 Manual

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39
Error displays/Messages
The volume of the connected audio device is
low (high).
Volume level will differ depending on the audio
device.
tAdjust the volume of the connected audio device or
this unit.
No sound is heard from the Bluetooth audio
device.
The audio device is paused.
tCancel pause of the audio device.
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 while using.
• 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 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.
The name of the other party does not appear
when a call is received.
The calling phone is not set to send the phone number.
A call is answered unintentionally.
• The connecting phone is set to answer a call
automatically.
• “AUTO ANS” of this unit is set to “A.ANS-1” or
“A.ANS-2” (page 24).
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.
Bluetooth function cannot operate.
Turn off the unit by pressing (SOURCE/OFF) for more
than 2 seconds, then turn the unit on again.
No sound is output from the car speakers
during handsfree call.
If the sound is output from the cellular phone, set the
cellular phone to output the sound from the car
speakers.
CHECKING
The unit is confirming the connection of a USB device.
t Wait until confirming the connection is finished.
EMPTY
• The call history is empty.
• The phonebook is empty.
• The preset dial is empty.
ERROR
• The disc is dirty or inserted upside down.
t Clean or insert the disc correctly.
• A blank disc has been inserted.
• The disc cannot play due to a problem.
t Insert another disc.
• USB device was not automatically recognized.
t Reconnect it again.
• Press Z to remove the disc.
• BT Initialize failed.
• Phonebook access failed.
• Phonebook content was changed while accessing the
cellular phone.
t Access the phonebook in the cellular phone
again.
• A call was made while the cellular phone was not
connected.
P (preset number) ERROR
A call was made by preset number when no preset
number exists.
FAILURE
The connection of speakers/amplifiers is incorrect.
t See the installation/connections manual of this
model to check the connection.
HUB NO SUPRT (HUBs Not Support)
USB hub is not supported on this unit.
L. SEEK +/–
The local seek mode is on during automatic tuning.
NO AF
There is no alternative frequency for the current
station.
t Press (SEEK) +/– while the program service name
is flashing. The unit starts searching for another
frequency with the same PI (Program
Identification) data (“PI SEEK” appears).
NO DEV (No Device)
• USB is selected as source without a USB device
connected. A USB device or a USB cable has been
disconnected during playback.
t Be sure to connect a USB device and USB cable.
• Bluetooth audio source is selected without a
Bluetooth audio device connected. A Bluetooth audio
device has been disconnected during a call.
t Be sure to connect a Bluetooth audio device.
• Bluetooth phone source is selected without a cellular
phone connected. A cellular phone has been
disconnected during a call.
t Be sure to connect a cellular phone.
continue to next page t
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