Radio mode
RDS functions
RDS (Radio Data System) shows the
names of the programmes being received
.
While you are driving, RDS automatically
takes over the function of searching for
alternative frequencies for the set pro-
gramme and making the necessary
adjustments to ensure the best possible
reception within a transmission area, even
under unfavourable conditions.
Storing RDS programmes
When storing RDS programmes, the
appropriate station button should only be
pressed when the programme name is
shown on the display. This ensures to a
large extent that all the RDS data are
evaluated and can be stored.
Also ensure, when storing, that no "scrol-
ling text" is being shown on the display,
otherwise this is stored instead of the
programme name.
When a stored RDS programme is called
up, the appropriate programme name
appears on the display. If the stored frequency cannot be recei-
ved clearly, the radio automatically
selects an alternative frequency for the
same program (Best Station function).
General advice
When the conditions are unfavourable
conditions, e.g. on mountainous stret-
ches, the radio checks the alternative fre-
quencies very often. This can result in
momentary interruptions to the sound.
How RDS works
With RDS, in addition to the normal radio
signal an inaudible digital data stream is
also transmitted. This data stream con-
tains, among other things, the following
data:
Programme identification (PI code):
The radio recognizes the programme
being received from the PI code.
Programme service name (PS code):
The PS code provides the name to be
shown on the display . Via the PS
code, some programmes also provide
additional information to be shown on the
display.Alternative frequencies (AF list):
A programme is usually broadcast by
several transmitters on different frequen-
cies. The AF list contains the relevant fre-
quencies to which the receiver can be set
in order to receive the programme.
T
raffic programme identification (Traffic
Programme = TP; message on the
display):
The identification for a programme with
traffic information.
T
raffic announcement identification (TA=
Traffic Announcement):
The radio recognizes a traffic message
from the TA code. If necessary, the radio’s
volume is now raised and CD mode is
interrupted.
EON (Enhanced information Concerning
Other networks)
Programmes that use EON, pick up traffic
messages from other programmes. During
the message, the name of the other pro-
gramme is displayed.
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