UNDERSTANDING YOUR INSTRUMENT PANEL
187
RADIO GENERAL INFORMATION
and thu s rem ain a part of the AM recep tion. They
interfere very little with the frequ ency variations that
carry the FM signal.
Radio Broadcast Signals
Your new rad io will provid e excellent recep tion und er
most operating cond itions. Like any system , how ever, car
rad ios have perform ance limitations, due to mobile op-
eration and natu ral phenom ena, which might lead you to
believe you r sou nd system is malfunctioning. To help
you und erstand and save you concern abou t these “ap -
parent” malfunctions, you must und erstand a point or
two abou t the transm ission and recep tion of rad io sig-
nals.
AM Reception
AM sou nd is based on wave amplitude, so AM recep tion
can be disru pted by such things as lightning, power lines
and neon signs.
4
FM Reception
Because FM transm ission is based on frequ ency varia-
tions, interference that consists of amplitude variations
can be filtered out, leaving the recep tion relatively clear,
which is the major featu re of FM rad io.
Two Types of Signals
There are two basic typ es of rad io signals... AM or
Amplitude Mod ulation, in which the transm itted sou nd
causes the amplitude, or height, of the rad io waves to
vary... and FM or Frequ ency Mod ulation, in which the
frequ ency of the wave is varied to carry the sou nd .
NOTE: For vehicles not equ ipped with the Electronic
Vehicle Inform ation Center (EVIC), the rad io, steering
wheel rad io controls (if equ ipped), and 6 disc CD/ DVD
changer (if equ ipped) will rem ain active for 10 minu tes
after the ignition switch is turned off. Opening either
front door will cancel this featu re.
Electrical Disturbances
Radio waves may pick up electrical distu rbances during
transm ission. They mainly affect the wave amplitude,
NOTE: For vehicles equ ipped with the Electronic Ve-
hicle Inform ation Center (EVIC), the rad io, steering
wheel rad io controls (if equ ipped), and 6 disc CD/ DVD
| Categories | Chrysler 300 Manuals, Chrysler Manuals |
|---|---|
| Model Year | 2007 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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