1
74nRa d io re c e p tio n
S a fe ty b e lt te n s io n e r
The lim ita tio ns in he re nt to ra d io re c e p -
tio n in a m oving ve hic le h a ve b e e n m in-
im ize d b y a n um b e r o f in nova tive s ys -
te m d e s igns :
The "R a d io Da ta S ys te m " (R DS ) m a ke s
s ure th a t, fo r s ta tio ns b ro a d c a s tin g o n
s e ve ra l fre q ue nc ie s , th e ra d io a uto m a ti-
c a lly tu ne s to th e fre q ue nc y w ith th e
b e s t re c e p tio n q ua lity.
With th e Dive rs ity An te nna s ys te m , s e v-
e ra l FM a nte nna s a re in te gra te d w ith in
th e c onve rtib le to p c om p a rtm e nt lid to
p ro vid e th re e s e p a ra te s ourc e s fo r re -
c e iving b ro a d c a s t w a ve s . An in te gra l
p ro c e s s or a uto m a tic a lly s e le c ts th e a n-
te nna w ith th e b e s t FM re c e p tio n q ua l-
ity a t a ny g ive n tim e . Th e s e le c tio n o f
th e a nte nna ta ke s p la c e w ith in m illis e c -
ond s , a nd is th e re fore n ot n otic e d b y
th e ra d io lis te ne r.
The AM fre q ue nc y b a nd s (m e d ium -
wa ve , lo ng-wa ve a nd s hort- wa ve )
m a ke it p os s ib le to re c e ive s ta tio ns
fro m a g re a t d is ta nc e , b e c a us e th e
b ro a d c a s t s igna ls tra ve l n ot o nly a long
th e g ro und a s s urfa c e w a ve s , b ut a ls o
a s a tm os p he ric w a ve s th a t a re re -
fle c te d fro m th e io nos p he re .
Fre q ue nc y- m od ula tio n (FM) p ro vid e s
s ub s ta ntia lly b e tte r s ound q ua lity th a n
th e o th e r fre q ue nc ie s . Ho we ve r,
b e c a us e FM tra ns m is s ions re ly o n line -
of-s ight b ro a d c a s t w a ve s , th e ir e ffe c -
tive re c e p tio n ra nge is lim ite d .
The s a fe ty b e lt te ns ione rs re s p ond to
s e ve re h e a d -on c ollis ions b y tig hte ning
th e b e lts to e ns ure th a t o c c up a nts
re m a in firm ly p os itio ne d in th e ir s e a ts .
A g a s -p re s s ure s ys te m re tra c ts th e
b uc kle a s s e m b ly to te ns ion th e s houl-
d e r a nd la p b e lts w ith in fra c tio ns o f a
s e c ond . Th is re d uc e s th e te nd e nc y to
s lid e u nd e r th e la p b e lt.
Online Edition for Part No. 01 41 0 155 048 - © 01/00 BMW AG
Categories | BMW 3-Series Manuals, BMW Manuals |
---|---|
Document Type | Free Auto PDF Owners Manual Download |
Tags | BMW 323Cic, BMW E46 |
Model Year | 2000 |
Download File |
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Document File Type | |
Wikipedia's Page | BMW 3-Series (E46) |
Copyright | Attribution Non-commercial |
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