Overview of rds, Automatic retuning for best reception results – Sony CDX-MP30 User Manual

Page 17

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17

RDS

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.

Source

Displayable items
• Clock
• Station name (Frequency)
• RDS data

To

Press

Switch Clock/

(DSPL)

Station name

RDS services

RDS data offers you other conveniences, such
as:
Automatic retuning of a programme,

helpful during long-distance drives. — AF
t page 17

•Receiving traffic announcements, even

when enjoying another programme/source.
— TA

t page 18

•Selecting stations by the type of programme.

— PTY

t page 19

•Automatic clock time setting. — CT

t page 20

Notes
• Depending on the country or region, not all of

the RDS functions are available.

• RDS may not work properly if the signal strength

is 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.

1

Select an FM station (page 15).

2

Press (AF) repeatedly until “AF-ON”
appears.
The unit starts searching for an alternative
station with a stronger signal in the same
network.
If “NO AF” flashes, the currently tuned into
station does not have an alternative
frequency.

Notes
• If you want to change the on/off setting while

playing a CD, press (AF).

• 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.”

For stations without alternative
frequencies

Turn the SEEK/AMS control dial while
the station name is flashing (within
8 seconds).
The unit starts searching for another
frequency with the same PI (Programme
Identification) data (“PI SEEK” appears).
If the unit cannot find the same PI, the unit
returns to the previously selected
frequency.

Station

98.5MHz

102.5MHz

96.0MHz

Frequencies change automatically.

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