Volvo 240 1991 Owner's Manual page 48

Volvo 1991 240 Model
U (FM) is affected by the electrical systems of nearby vehicles, especially those without suppression.
The distortion increases if the station is weak or poorly set.
The U (FM) reception is not as sensitive to electrical disturbance as M/L (AM).
M/L (AM) - reasons for distortion
M/L (AM) reception is sensitive to electrical disturbances such as power lines, lightning etc.
pg. 35 Radio
U (FM) stereo reception
Stereo reception places very high demands on the signal quality which means the types of distortions
previously mentioned become even more obvious. The signal strength needs to be stronger for good
stereo reception and this limits the effective range of the sender.
We hope that this information proves to be useful and provides you with a better understanding of the
problems related to car radio reception.
Reception conditions are not always optimum and this is, of course, beyond our control.
However, we have endeavored to make the Volvo Car Radio of a quality so that you can enjoy the best
possible reception no matter what the reception conditions may be.
Radio antenna mast
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