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Rds; Overview Of Rds; Automatic Retuning For Best Reception Results; Af Function - Sony CDX-CA900 Operating Instructions Manual

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Overview of RDS

FM stations with Radio Data System (RDS)
service send inaudible digital information along
with the regular radio programme signal. For
example, one of the following will be displayed
upon receiving a station with RDS capability.
Preset number
Programm type
Radio band
RDS services
RDS data offers you other conveniences, such as:
• Automatic retuning of a programme, helpful
during long-distance drives. — AF t page 15
• Receiving traffic announcements, even
when enjoying another programme/source. —
TA t page 16
• Selecting stations by the type of
programme. — PTY t page 17
• Automatic clock time setting. — CT t page
• Depending on the country or region, not all of the
RDS functions are available.
• RDS may not work if the signal strength is too weak
or if the station you are tuned to is not transmitting
RDS data.
Automatic retuning for best
reception results

— AF function

The alternative frequencies (AF) function allows
the radio to always tune into the area's strongest
signal for the station you are listening to.
Frequencies change automatically.
98.5 MHz
Select an FM station (page 13).
Press (AF) repeatedly until
"AF········on" appears.
The unit starts searching for an alternative
frequency with a stronger signal in the same
If "NO AF" flashes, the currently tuned
station does not have an alternative frequency.
When there is no alternative frequency in the area or
when you do not need to search for one, turn the AF
function off by selecting "AF·······off."
continue to next page t
96.0 MHz
102.5 MHz



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