Sony MEX-BT5700U Bedienungsanleitung Seite 40

The display disappears from/does not appear
in the display window.
• The dimmer is set "Dimmer on" (page 33).
• 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 37).
The Auto Off function does not operate.
The unit is turned on. The Auto Off function activates
after turning off the unit.
t Turn off the unit.
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 "Information on" (page 33).
Cannot adjust the volume level.
The portable audio device was not connected when
AUX was selected as (SOURCE).
t Connect the portable audio device to the AUX
input jack.
CD 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 35).
MP3/WMA/AAC files cannot be played back.
The disc is incompatible with the MP3/WMA/AAC
format and version. For details on playable discs and
formats, visit the support site.
MP3/WMA/AAC 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 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 33).
t Press and hold (DSPL) (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 7).
40
Radio reception
The stations cannot be received.
The sound is hampered by noises.
The connection is not correct.
t Connect a power antenna (aerial) control lead
(blue) or accessory power supply lead (red) to the
power supply lead of a car's antenna (aerial)
booster (only when your car has built-in FM/MW/
LW antenna (aerial) in the rear/side glass).
t Check the connection of the car antenna (aerial).
t If the auto antenna (aerial) will not go up, check the
connection of the power antenna (aerial) control
lead.
t When the DSO mode is on, the sound is sometimes
hampered by noises.
t Set the DSO mode to "off" (page 31).
Preset tuning is not possible.
• Store the correct frequency in the memory.
• The broadcast signal is too weak.
Automatic tuning is not possible.
• Setting of the local seek mode is not correct.
t Tuning stops too frequently:
Set "Local on" (page 33).
t Tuning does not stop at a station:
Set "Local off" (page 33).
• 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 "Mono on" (page 33).
An FM program broadcast in stereo is heard in
monaural.
The unit is in monaural reception mode.
t Set "Mono off" (page 33).
RDS
The SEEK starts after a few seconds of
listening.
The station is non-TP or has weak signal.
t Deactivate TA (page 16).
No traffic announcements.
• Activate TA (page 16).
• The station does not broadcast any traffic
announcements despite being TP.
t Tune in another station.
PTY displays "- - - - - - - -."
• The current station is not an RDS station.
• RDS data has not been received.
• The station does not specify the program type.