Com mon Rad io Recep tion Con dition s
Several cond itions prevent FM recep tion from
being com pletely clear and noise-free, such as
the follow ing:
1.
Distance/ Strength
The strength of the FM signal is directly related
to the distance the signal must travel. The
listenable range of an average FM signal is
ap proxim ately 25 miles (40 kilom eters). Beyond
this distance, the rad io is operating in a fringe
area and the signal becom es weaker.
2.
Terrain
The terrain (hilly, mountainou s, tall bu ildings) of
the area over which the signal travels may
prevent the FM signal from being noise-free.
If there is a bu ilding or large stru ctu re betw een
the antenna and station, som e of the signal
“bend s” arou nd the bu ilding, bu t certain spots
receive alm ost no signal. Moving ou t of the
“shad ow ” of the stru ctu re will allow the station
to retu rn to norm al.
When the rad io waves are reflected off objects or
stru ctu res, the reflected signal cancels the norm al
signal, cau sing the antenna to pick up noise and
distortion. Cancellation effects are most
prom inent in metrop olitan areas, bu t also can
becom e qu ite severe in hilly terrain and
depressed road ways.
To minim ize these cond itions, a stereo/ mono
blend circu it has been incorp orated into this
system . This featu re au tom atically switches a
weak stereo signal to a clearer monau ral signal,
which improves the qu ality of recep tion.
220
Product Specification
Categories | Ford Escort Manuals, Ford Manuals |
---|---|
Document Type | User and Operator's Vehicle Manual Guide. Free Auto PDF Manual Download |
Model Year | 1996 |
Download File |
|
Document File Type | |
Publisher | ford.com |
Wikipedia's Page | Ford Motor Company |
Copyright | Attribution Non-commercial |