Sony CDX-GT740UI Bedienungsanleitung Seite 26

The display disappears from/does not appear
in the display window.
• The dimmer is set "Dimmer on" (page 21).
• 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 23).
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 21).
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.
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 19).
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 21).
t Tuning does not stop at a station:
Set "Local off" (page 21).
• 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 21).
An FM program broadcast in stereo is heard in
monaural.
The unit is in monaural reception mode.
t Set "Mono off" (page 21).
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RDS
The SEEK starts after a few seconds of
listening.
The station is non-TP or has weak signal.
t Deactivate TA (page 13).
No traffic announcements.
• Activate TA (page 13).
• 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.
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 play back.
• Defective or dirty disc.
• The CD-Rs/CD-RWs are not for audio use (page 22).
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 21).
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 6).