Hyundai 2012 Sonata User Manual download pdf (Page 205)

4 123

Features of your vehicle

How vehicle audio works

AM and FM radio signals are broadcast

from transmitter towers located around

your city. They are intercepted by the

radio antenna on your vehicle.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 pos-

sible quality reproduction. However, in

some cases the signal coming to your

vehicle may not be strong and clear.This

can be due to factors, such as the dis-

tance from the radio station, closeness of

other strong radio stations or the pres-

ence of buildings, bridges or other large

obstructions in the area.

AM broadcasts can be received at

greater distances than FM broadcasts.

This is because AM radio waves are

transmitted at low frequencies. These

long, low frequency radio waves can fol-

low the curvature of the earth rather than

travelling straight out into the atmos-

phere. In addition, they curve around

obstructions so that they can provide bet-

ter signal coverage.

FM broadcasts are transmitted at high

frequencies and do not bend to follow the

earth's surface. Because of this, FM

broadcasts generally begin to fade at

short distances from the station. Also,

FM signals are easily affected by build-

ings, mountains, or other obstructions.

These can result in certain listening con-

ditions which might lead you to believe a

problem exists with your radio. The fol-

lowing conditions are normal and do not

indicate radio trouble:

¢¢ ¢

¢¢ ¢

JBM002

AM reception

¢¢¢

JBM001

FM reception

JBM003

FM radio station

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