Sony MEX-BT5100 Mode D'emploi page 27

Stored stations and correct time are erased.
The fuse has blown.
Makes noise when the position of the ignition
key is switched.
The leads are not matched correctly with the car's
accessory power connector.
The display disappears from/does not appear
in the display window.
• The dimmer is set "Dimmer on" (page 19).
• The display disappears if you press and hold (OFF).
t Press and hold (OFF) on the unit until the
display appears.
• The connectors are dirty (page 24).
DSO does not function.
Depending on the type of car interior or type of music,
DSO may not have a desirable effect.
Any display items do not display.
t Set to "Info All" (page 19).
CD/MD playback
The disc cannot be loaded.
• Another disc is already loaded.
• The disc has been forcibly inserted upside down or in
the wrong way.
The disc does not playback.
• Defective or dirty disc.
• The CD-Rs/CD-RWs are not for audio use (page 22).
MP3/WMA files cannot be played back.
The disc is incompatible with the MP3/WMA format
and version (page 22).
MP3/WMA files take longer to play back than
others.
The following discs take a longer time to start
playback.
– a disc recorded with a complicated tree structure.
– a disc recorded in Multi Session.
– a disc to which data can be added.
The ATRAC CD cannot play.
• The disc is not created by authorized software, such
as SonicStage or SonicStage Simple Burner.
• Tracks that are not included in the group cannot be
played.
The display items do not scroll.
• For discs with very many characters, those may not
scroll.
• "Auto Scroll" is set to "off."
t Set "Auto Scroll on" (page 19) or press (SCRL).
The sound skips.
• Installation is not correct.
t Install the unit at an angle of less than 45° in a
sturdy part of the car.
• Defective or dirty disc.
The operation buttons do not function.
The disc will not eject.
Press the RESET button (page 6).
Radio reception
The stations cannot be received.
The sound is hampered by noises.
• Connect a power antenna control lead (blue) or
accessory power supply lead (red) to the power
supply lead of a car's antenna booster (only when
your car has built-in FM/AM antenna in the rear/side
glass).
• Check the connection of the car antenna.
• The auto antenna will not go up.
t Check the connection of the power antenna
control lead.
• Check the frequency.
• When the DSO mode is on, the sound is sometimes
hampered by noises.
t Set the DSO mode to "off" (page 19).
Preset tuning is not possible.
• Store the correct frequency in the memory.
• The broadcast signal is too weak.
Automatic tuning is not possible.
• The local seek mode is set to "on."
t Set to "Local off" (page 19).
• The broadcast signal is too weak.
t Perform manual tuning.
During FM reception, the "ST" indication
flashes.
• Tune in the frequency accurately.
• The broadcast signal is too weak.
t Set to "Mono on" (page 19).
An FM program broadcast in stereo is heard in
monaural.
The unit is in monaural reception mode.
t Set to "Mono off" (page 19).
Bluetooth function
The connecting device cannot detect this unit.
• Set "Signal" to "ON" (page 14).
• Set "Visibility" to "Show" (page 14).
• While connecting to the other Bluetooth device, this
unit cannot be detected from another device.
Disconnect the current connection and search for this
unit from another device. The disconnected device
can be reconnected by selecting from the list of
registered devices.
This unit cannot detect the connecting device.
Check the Bluetooth setting of the connecting 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.
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