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4-6
Multimedia System
How vehicle radio works
FM reception
AM and FM radio signals are broad-
cast from transmitter towers located
around your city. They are intercept-
ed by the radio antenna on your vehi-
cle. This signal is then received by
the radio and sent to your vehicle
speakers.
When a strong radio signal has
reached your vehicle, the precise
engineering of your audio system
ensures the best possible quality
reproduction. However, in some
cases the signal coming to your vehi-
cle 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 sta-
tions or the presence of buildings,
bridges or other large obstructions in
the area.
AM (MW, LW) reception
AM broadcasts can be received at
greater distances than FM broad-
casts. This is because AM radio
waves are transmitted at low fre-
quencies. These long, low frequency
radio waves can follow the curvature
of the earth rather than travelling
straight out into the atmosphere. In
addition, they curve around obstruc-
tions so that they can provide better
signal coverage.
OJF045309L
OJF045308L
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