Mazda 2012 CX-7 Spezifikationen PDF herunterladen (Seite 229)

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Multipath noise

Since FM signals can be reflected by

obstructions, it is possible to receive both

the direct signal and the reflected signal at

the same time. This causes a slight delay

in reception and may be heard as a broken

sound or a distortion. This problem may

also be encountered when in close

proximity to the transmitter.

Reflected wave

Direct

Flutter/Skip noise

Signals from an FM transmitter move in

straight lines and become weak in valleys

between tall buildings, mountains, and

other obstacles. When a vehicle passes

through such an area, the reception

conditions may change suddenly, resulting

in annoying noise.

Weak signal noise

In suburb an areas, broadcast signals

become weak because of distance from

the transmitter. Reception in such fringe

areas is characterized by sound breakup.

Strong signal noise

This occurs very close to a transmitter

tower. The broadcast signals are

extremely strong, so the result is noise and

sound breakup at the radio receiver.

Station drift noise

When a vehicle reaches the area of two

strong stations broadcasting at similar

frequencies, the original station may be

temporarily lost and the second station

picked up. At this time there will be some

noise from this disturbance.

Station 2

88.3 MHz

Station 1

88.1 MHz

Interior Features

Audio System

5-15

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