Acura 2009 TL Navigation System, Owner'S Manual

Page: 378 / 650

Those bands cover these frequen-
cies:
AM band: 530 to 1,710 kHz
FM band: 87.7 to 107.9 MHz
A radio station’s signal gets weaker
as you get farther away from its
transmitter. If you are listening to an
AM station, you will notice the sound
volume becoming weaker, and the
station drifting in and out. If you are
listening to an FM station, you will
see the stereo indicator flickering off
and on as the signal weakens.
Eventually, the stereo indicator will
go off and the sound will fade
completely as you get out of range of
the station’s signal.
Driving very near the transmitter of
a station that is broadcasting on a
frequency close to the frequency of
the station you are listening to can
also affect your radio’s reception.
You may temporarily hear both
stations, or hear only the station you
are close to.
Your vehicle’s radio can receive the
complete AM and FM bands. How well your vehicle’s radio
receives stations is dependent on
many factors, such as the distance
from the station’s transmitter,
nearby large objects, and
atmospheric conditions.
Radio stations on the AM band are
assigned frequencies at least 10 kHz
apart (530, 540, 550). Stations on the
FM band are assigned frequencies at
least 0.2 MHz apart (87.9, 88.1, 88.3).
Stations must use these exact
frequencies. It is fairly common for
stations to round-off the frequency in
their advertising, so your radio could
display a frequency of 100.9 even
though the announcer may identify
the station as ‘‘FM101.’’
Radio Frequencies Radio Reception
AM/FM Radio Reception
372
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