Sony MEX-BT2500 User Guide
22
Error displays/Messages
Automatic tuning is not possible.
• Setting of the local seek mode is not correct.
t Tuning stops too frequently:
Set “LOCAL-ON” (page 15).
t Tuning does not stop at a station:
Set “MONO-ON” (page 16).
• The broadcast signal is too weak.
t Perform manual tuning.
During FM reception, the “ST” indication
flashes.
flashes.
• Tune in the frequency accurately.
• The broadcast signal is too weak.
• The broadcast signal is too weak.
t Set “MONO-ON” (page 16).
An FM program broadcast in stereo is heard in
monaural.
monaural.
The unit is in monaural reception mode.
t Set “MONO-OFF” (page 16).
t Set “MONO-OFF” (page 16).
Bluetooth function
The connecting device cannot detect this unit.
• Before the pairing is made, set this unit to pairing
standby mode.
• While connected to a Bluetooth device, this unit
cannot be detected from another device. Disconnect
the current connection and search for this unit from
another device.
the current connection and search for this unit from
another device.
• When the device pairing is made, set the Bluetooth
signal output to on (page 12).
Connection is not possible.
• Connect to this unit from a Bluetooth device or vice
versa, The connection is controlled from one side
(this unit or Bluetooth device), but not both.
(this unit or Bluetooth device), but not both.
• Check the pairing and connection procedures in the
manual of the other device, etc., and perform the
operation again.
operation again.
The talker’s voice volume is low.
Adjust the volume level.
Echo or noise occurs in phone call
conversations.
conversations.
• Lower the volume.
• If the ambient noise other than the phone call sound
• 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.
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 phone is not connected.
When the Bluetooth audio is played back, the phone is
not connected even if you press
not connected even if you press
(handsfree).
t Connect from the phone.
The phone sound quality is poor.
Phone sound quality depends on reception conditions
of cellular phone.
t Move your car to a place where you can enhance
of 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 audio device is
low (high).
low (high).
Volume level will differ depending on the audio
device.
t Adjust the volume of the connected audio device or
device.
t Adjust the volume of the connected audio device or
this unit.
The sound skips during playback of a
Bluetooth audio device.
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.
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 Reduce the distance from the other devices.
t Reduce 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.
being made. This is not a malfunction.
The connected Bluetooth audio device cannot
be controlled.
be controlled.
Check that the connected Bluetooth audio device
supports AVRCP.
supports AVRCP.
Some functions do not work.
Check if the connecting device supports the functions
in question.
in question.
A call is answered unintentionally.
The connecting phone is set to answer a call
automatically.
automatically.
No sound is output from the car speakers
during handsfree call.
during handsfree call.
If the sound is output from the cellular phone, set the
cellular phone to output the sound from the car
speakers.
cellular phone to output the sound from the car
speakers.
“OFF BT” appears when initializing.
Press (OFF). Press and hold (EQ/BLUETOOTH) until
“
“
” turns off. Then initialize again.
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.
• The disc cannot play due to a problem.
t Insert another disc.
FAILURE
The connection of speakers is incorrect.
t See the installation guide manual of this model to
t See the installation guide manual of this model to
check the connection.
L. SEEK +/–
The local seek mode is on during automatic tuning.
NO INFO
Text information is not written in the MP3/WMA file.
NO MUSIC
The disc is not a music file.
t Insert a music CD.
t Insert a music CD.
NO NAME
An album/track name is not written in the track.
OFFSET
There may be an internal malfunction.
t Check the connection. If the error indication
t Check the connection. If the error indication
remains on in the display, consult your nearest
Sony dealer.
Sony dealer.