Mitsubishi MOTORS 3000GT Bedienungsanleitung Seite 656

CHASSIS ELECTRICAL - Radio and Tape Player
A-2 Noise appears at certain places when traveling (FM).
Do the following measures eliminate the noise?
Change to a different station with a strong signal to boost resistance to interference.
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Suppress high tones to reduce noise.
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Extend antenna completely. (Whip antenna)
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If there is more noise than other radios, find out the noise conditions and the name and frequency
of the receiving stations from the user, and consult with the service center.
NOTE
About FM waves:
FM waves have the same properties as light, and
can be deflected and blocked. Wave reception is
not possible in the shadow of obstructions such
as buildings or mountains.
the station's transmission antenna increases.
Although this may vary according to the signal
strength of the transmitting station and interven-
ing geographical formations or buildings, the
area of good reception is approx. 20-25 km
km (19-25 miles) for monaural reception.
2. The signal becomes weak. when an area of
shadow from the transmitting antenna (places
where there are obstructions such as mountains
FM Broadcast Good Reception Areas
No
3.
4.
FM Signal Characteristics and Signal Interference
For home stereos:
TSB Revision
Yes
or buildings between the antenna and.the car),
and noise will appear. <This is called first fading,
and gives a steady buzzing noise.>
If a direct signal hits the antenna at the same
time as a signal reflected by obstructions such
as mountains or buildings, interference of the
two signals will generate noise. During traveling,
noise will appear each time the vehicle's anten-
na passes through this kind of obstructed area.
The strength and interval of the noise varies
according to the signal strength and the condi-
tions of deflection. <This is called multipath
noise, and is a repetitious buzzing.>
Since FM stereo transmission and reception
has a weaker field than monaural, it is often
accompanied by a hissing noise.
.
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