Stereo Sound System; How Car Audio Works; Am Reception; Fm Radio Station - Hyundai Elantra Owner's Manual

B750A02A-AAT

STEREO SOUND SYSTEM

How Car Audio Works

FM reception
AM and FM radio signals are broadcasted from
transmitter towers located around your city.
They are intercepted by the radio antenna on
your car. This signal is then received by the
radio and sent to your car speakers.
When a strong radio signal has reached your
vehicle, the precise engineering of your audio
system ensures high quality reproduction. How-
ever, in some cases the signal coming to your
vehicle may not be strong and clear. This can
be due to factors such as the distance from the
radio station, closeness of other strong radio
stations or the presence of buildings, bridges
or other large obstructions in the area.
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AM reception

Ionosphere
AM broadcasts can be received at greater
distances than FM broadcasts. This is be-
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cause AM radio waves are transmitted at low
frequencies. These long, low frequency radio
waves can follow the curvature of the earth
rather than travelling straight out into the atmo-
sphere. In addition, they curve around obstruc-
tions so that they can provide better signal
coverage.

FM radio station

Ionosphere
Mountains
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FM broadcasts are transmitted at high fre-
quencies and do not bend to follow the earth's
surface. Because of this, FM broadcasts gen-
erally begin to fade at short distances from the
station. Also, FM signals are easily affected by
buildings, mountains, or other obstructions.
These can result in certain listening conditions
which might lead you to believe a problem
exists with your radio. The following conditions
are normal and do not indicate radio trouble:
Unobstructed
area
Buildings
Iron bridges
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Obstructed area