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2
36
04
WHAT IS RDS?
The Radio Data
Sy
stem
(
RD
S)
f
unction on the FM waveband permits:
- automatic retuning to alternative frequencies carrying the same
station while travelling through different regions (if the transmitters
gqyg
gqyg
of
thi
s s
t
a
ti
on cover
th
e area
th
rou
gh
w
hi
c
h
y
ou are
t
rave
lli
n
g)
,
gg g(
gg g(
- temporar
y
tunin
g
to tra
ffi
c in
f
ormation announcements,
- displa
y
o
f
the name o
f
the station, etc...
Most FM stations use RD
S
.
Th
ese
s
t
a
ti
o
n
s
tr
a
n
s
mit n
o
n-
aud
i
b
l
e
da
t
a
in
add
iti
o
n t
o
th
e
ir
programmes
.
The data transmitted in this way allows you access to various
functions, mainly displaying of the name of the station, temporary
yy
yy
tuning to traffi c information announcements or automatic retuning to
y pyg p y
y pyg p
alt
erna
ti
ve
f
requenc
i
es.
g
g
RDS allows you to continue listening to the same station automatically
by means of alternative frequencies. However, alternative frequencies
yg y
yg
ma
y
no
t
b
e
p
rov
id
e
d
th
rou
gh
ou
t
th
e coun
t
r
y
.
R
a
di
o s
t
a
ti
ons
d
o no
t
yq q
qq
cover the whole country, which explains the loss of reception of the
yp g ypg y
station during a journey.
y
REGIONAL MODE
S
ome stations are or
g
anised in a network.
In different regions, they broadcast different or shared programmes
d
epen
di
n
g
on
th
e
ti
me o
f
d
a
y
.
gy
g,y
Y
ou
ca
n
fo
ll
o
w:
- a re
g
ional station onl
y
,
- the entire network, with the possibility that you will be listening
t
o a
diff
eren
t
pro
g
ramme.
RADIO, RDS, AF, REG, TP, PTY
AUDIO / VIDEO
RDS ALTERNATIVE FREQUENCIES
Your radio automatically checks and selects the best frequency for
the radio station to which it is tuned (if the station broadcasts on
yqy
yq
s
evera
l
t
ransm
itt
ers or
f
requenc
i
es
)
.
The frequency of a radio station covers approximately 30 miles
(50 km). The change from one frequency to another explains the
q y pp y
q y pp y
l
oss o
f
recep
ti
on
d
ur
i
n
g
a
j
ourne
y
.
() g q
() g
If the station to which you are listening does not have several
frequencies in the region in which you are currently located, you can
yg
yg
d
eac
ti
va
t
e au
t
oma
ti
c a
lt
erna
ti
ve
f
requenc
i
es.
qgy
qgy
TRAFFIC INFORMATION FUNCTION
The Tra
ffi
c Programme
(
TP
)
f
unction permits automatic and
temporar
y
switchin
g
to an FM station broadcastin
g
tra
ffi
c in
f
ormation.
The radio station or the source that
y
ou are listenin
g
to at this point is
p
aused.
O
nce the traffi c information has ended, the s
y
stem switches back to
the radio station or the source that
y
ou were listenin
g
to initiall
y
.
PROGRAMME TYPES
S
ome stations o
ff
er the option o
f
listenin
g
to a themed t
y
pe o
f
pro
g
ramme as a priorit
y
, selected from the list available below:
NEWS, AFFAIRS, INF
O
S, SP
O
RT, EDUCATE, DRAMA, CULTURE,
S
CIENCE
,
VARIED
,
P
O
P M
,
R
O
CK M
,
EASY M
,
LIGHT M
,
C
LA
SS
I
CS
,
O
THER M, WEATHER, FINAN
C
E,
C
HILDREN,
SOC
IAL, RELI
G
I
O
N, PH
O
NE IN, TRAVEL, LEI
S
URE, JAZZ,
CO
UNTRY, NATI
O
N M,
O
LDIE
S
, F
O
LK M, D
OC
UMENT.
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