Volvo S70 Owner's Manual page 291

1999 S70 & V70
The FM reception is not as sensitive to electrical disturbances as AM.
AM - reasons for distortion
AM reception is sensitive to electrical disturbances such as power lines, lighting, etc.
pg. 197 Audio systems, general information (cont.)
FM stereo reception
Stereo reception places very high demands on the signal quality which means the type 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 Audio System of a quality that will enable you to enjoy the best
possible reception no matter what the reception conditions may be.
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