AEG AR 4025 BT 400425 ユーザーズマニュアル

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To connect an external amplifier, use the LINE OUT  

connector cable. To do so, refer to the amplifier operating 

manual.

Installation and disassembly
The unit can be fitted into any standard ISO dashboard 

slot. If your car does not have an ISO dashboard slot, ask 

your repair shop, specialist retailer or relevant department 

in your nearest department store.

 

Before installation, you must remove the two  

 

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transport protection screws on the upper housing.

Connect the cables before you permanently install 

 

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the unit. Ensure that they are properly connected 

and that the system functions correctly.

1.  The device is designed for the minus pole of the 

battery, which must be connected to the body of the 

vehicle. Please check this before installation.

2.  When installing/connecting your device please note 

that not every vehicle is equipped with an “ISO con-

nection”. In this case we recommend the use of an ISO 

adapter specifically designed for your vehicle.

  Adapters are available from car accessory shops and/or 

from your vehicle workshop.

3.  Depending on the specific car type, different wiring 

connection of the “Duration + ” wire (Constant current 

connection) are available. (However, this is necessary 

for storing the radio stations.)

  In order to guarantee all functions, installation in line 

with these instructions is essential. In cases of doubt 

please contact an authorised car workshop.

  Due to the various types of motor vehicles and motor 

manufacturers, it is not possible to guarantee that the 

pin assignment of the ISO plug is correct, even if the 

ISO plug connections fit together mechanically.

  It may therefore be necessary to modify the electrical 

connection or use vehicle-specific adapters.

 

If the device is correctly connected, the radio can 

 

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be switched on and off via the ignition. If the 

stored stations are lost, this indicates that the 

radio is not receiving any “Duration + ”, current 

which is required for storing the stations.

 

Where there is a connection to “Duration +” 

 

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without the ignition being switched on, the car 

battery might be drained of power even if the 

radio is switched off. This may even result in the 

battery becoming completely flat.

4.  Depending on the specific car type, interferences can 

be possibly arise during Radio operation. These  

interferences can avoided easily with an additional  

Interferences filter. Your car radio is originally prepared 

with an Interference Filter already.

  In these case, please contact your authorized car 

dealer.

5.  When installing your radio please ensure that there is 

enough space at the rear of the radio to ensure suf-

ficient cooling.

6.  For the antenna connection there are two different 

norms. The first of these is the old (50 ohm) version 

with a long protruding round contact on the vehicle 

and a round socket on the radio end. The second is the 

ISO-standardised antenna plug (150 ohm).

  Adapters for both formats are available from accessory 

manufacturers and/or your car workshop. 

 

Important information for VW/Audi vehicles: 

 

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The antenna in your vehicle may be an active 

antenna. This requires a power supply which is 

only provided by the original car radio. If this is 

the case, use an antenna adapter for phantom 

power supply. 

Antenna adapters can be found in car accessory 

outlets and/or at your car repair shop.

Only use tools suitable for car HiFi installation.

 

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Insert the unit into the slot provided or select an 

 

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installation slot where all buttons can be reached 

comfortably and which does not hinder the driver.

Always connect the unit to a properly installed 12 V 

 

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car battery.

Always connect the unit via an ISO connector in the 

 

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car.

Install the unit in such a way that no build-up of heat 

 

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can occur and where the unit is well-ventilated.

To prevent malfunction, the installation angle should 

 

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be less than 30°.

Do not install the unit into a slot where it is exposed 

 

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to high temperatures (e.g. direct sunlight or hot air 

from the heater), heavy soiling and powerful vibra-

tions.

If modifications to the vehicle need to be carried out, 

 

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ask your car dealer/repair shop.