Mercedes-Benz Sound ONE Bedienungsanleitung Seite 33

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 11).
MP3/WMA files cannot be played back.
The disc is incompatible with the MP3 format and
version (page 11).
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.
• "A.SCRL" is set to "OFF".
t Set "A.SCRL-ON" (page 9).
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 4).
Radio reception
The stations cannot be received.
The sound is hampered by noises.
• Connect a power aerial control lead or accessory
power supply lead to the power supply lead of a car's
aerial booster (only when your car has built-in FM/
MW/LW aerial in the rear/side glass).
• Check the connection of the car aerial.
• The auto aerial will not go up.
t Check the connection of the power aerial control
lead.
• Check the frequency.
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:
Press (SENS) until "LOCAL-ON" appears.
t Tuning does not stop at a station:
Press (SENS) repeatedly until "MONO-ON" or
"MONO-OFF" (FM), or "LOCAL-OFF" (MW/
LW) appears.
• The broadcast signal is too weak.
t Perform manual tuning.
During FM reception, the "ST" (stereo)
indication flashes.
• Tune in the frequency accurately.
• The broadcast signal is too weak.
t Press (SENS) to set the monaural reception
mode to "MONO-ON."
An FM programme broadcast in stereo is heard
in monaural.
The unit is in monaural reception mode.
t Press (SENS) until "MONO-OFF" appears.
RDS
The SEEK starts after a few seconds of
listening.
The station is non-TP or has weak signal.
t Deactivate TA (page 7).
No traffic announcements.
• Activate TA (page 7).
• 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 programme type.
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