Sony CDX-GT450U Operating Instructions Manual page 23
Fm/mw/lw compact disc player
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Also See for CDX-GT450U:
- Operating instructions manual (52 pages) ,
- Service manual (52 pages) ,
- Specifications (3 pages)
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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.
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.
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 17).
t Tuning does not stop at a station:
Set “LOCAL-OFF” (page 17).
• 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 17).
An FM program broadcast in stereo is heard in
monaural.
The unit is in monaural reception mode.
t Set “MONO-OFF” (page 17).
RDS
The SEEK starts after a few seconds of
listening.
The station is non-TP or has weak signal.
t Deactivate TA (page 11).
No traffic announcements.
• Activate TA (page 11).
• 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.
Program service name flashes.
There is no alternative frequency for the current
station.
t Press (SEEK) +/– while the program service name
is flashing. “PI SEEK” appears and the unit starts
searching for another frequency with the same PI
(Program Identification) data.
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 19).
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 SCR” is set to “OFF.”
t Set “A.SCRL-ON” (page 17).
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).
continue to next page t
Page 23
- Quick Links:
- Resetting the Unit
- Canceling the Demo Mode
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