Sony MEX-BT4150U User Manual download pdf (Page 40)

40

The contents of the memory have been

erased.

 The power supply lead or battery has been

disconnected or not connected properly.

 The unit is reset.

– Store again in the memory.

Stored stations and correct time are erased.

The fuse has blown.

Makes noise when the position of the

ignition is switched.

 The leads are not matched correctly with the

car’s accessory power connector.

During playback or reception,

demonstration mode starts.

 If no operation is performed for 5 minutes

with “DEMO-ON” set, demonstration mode

starts.

– Set “DEMO-OFF” (page 34).

The display disappears from/does not

appear in the display window.

 The dimmer is set to “DIM-ON” (page 34).

 The display disappears if you press and hold

.

–Press  on the unit until the

display appears.

 The connectors are dirty (page 38).

The Auto Off function does not operate.

 The unit is turned on. The Auto Off function

activates after turning off the unit.

– Turn off the unit.

The display disappears while the unit is

operating.

 The Black Out function is set to on (page 34).

The operation buttons do not function.

The disc will not eject.

 Press  and (BACK)/ for

more than 2 seconds.

The contents stored in memory are erased.

For your safety, do not perform the reset

operation while you are driving.

Radio reception

The stations cannot be received.

The sound is hampered by noises.

 The connection is not correct.

– Connect an REM OUT lead (blue/white

striped) 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 radio antenna (aerial) in the rear/

side glass).

– Check the connection of the car antenna

(aerial).

– If the auto antenna (aerial) will not go up,

check the connection of the power antenna

(aerial) control lead.

 The tuning step setting has been erased.

– Set the tuning step again (page 6).

Preset tuning is not possible.

 Store the correct frequency in the memory.

 The broadcast signal is too weak.

Automatic tuning is not possible.

 The broadcast signal is too weak.

– Perform manual tuning.

RDS

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 36).

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.

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