A U D I O E Q U I P M E N T a n d T E L E M A T I C S
XI
180
AUDIO-VIDEO
What is the RDS? RDS station following T r a f fi c i n f o r m a t i o n f u n c t i o n
Your radio automatically checks
and selects the best frequency
for the radio station to which it
is tuned (if the station broadcasts on
several transmitters or frequencies).
The frequency of a radio station covers
a p p r o x i m a t e l y 3 0 m i l e s ( 5 0 k m ) . T h e
change from one frequency to another
e x p l a i n s t h e l o s s o f r e c e p t i o n d u r i n g a
journey.
If the station to which you are listening
does not have several frequencies in
the region in which you are currently
located, you can deactivate the
automatic frequency following.
Radio, RDS, AF, REG, TP, PTY
The Radio Data System (RDS)
function on the FM waveband
permits:
- tuning to the same station while travelling through different regions
(if the transmitters of this station
cover the area through which you
are travelling),
- t e m p o r a r y t u n i n g t o t r a f fi c i n f o r m a t i o n announcements,
- access to the displaying of the name of the station, etc.
Most FM stations use the RDS.
These stations transmit non-audible
data in addition to their programmes.
The data transmitted in this way allows
you access to various functions, mainly
displaying of the name of the station,
t e m p o r a r y t u n i n g t o t r a f fi c i n f o r m a t i o n
announcements or automatic station
following.
The RDS allows you to continue listening
to the same station by means of the
frequency following. However, in
certain conditions, this RDS frequency
following cannot be provided throughout
the country. Radio stations do not cover
t h e w h o l e c o u n t r y , w h i c h e x p l a i n s t h e
loss of reception of the station during
a journey. T h e T r a f fi c P r o g r a m ( T P ) f u n c t i o n
permits automatic and tempo-
rary switching to an FM station
b r o a d c a s t i n g t r a f fi c i n f o r m a t i o n .
The radio station or the source that you
are listening to at this point is paused.
O n c e t h e t r a f fi c i n f o r m a t i o n h a s e n d e d ,
the system switches back to the radio
station or the source that you were
listening to initially.
Regional following mode Some stations are organised in
a network.
In different regions, they broadcast
different or shared programmes depending
on the time of day.
You can follow:
- a regional station only,
- the entire network, with the possibility that you will be listening to a different
programme. Programme types
Some stations offer the option
of listening to a themed type
of programme as a priority,
selected from the list available below:
NEWS, AFFAIRS, INFOS, SPORT,
EDUCATE, DRAMA, CULTURE,
SCIENCE, VARIED, POP M, ROCK
M, EASY M, LIGHT M, CLASSICS,
OTHER M, WEATHER, FINANCE,
CHILDREN, SOCIAL, RELIGION,
PHONE IN, TRAVEL, LEISURE, JAZZ,
COUNTRY, NATION M, OLDIES, FOLK
M, DOCUMENT.
