Sony CDX-S2200 User Manual

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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.
RDS services
RDS data offers you other conveniences, such as:
Automatic retuning
 of a programme, helpful 
during long-distance drives. 
— AF 
• Receiving 
traffic announcements
, even 
when enjoying another programme/source. 
— TA 
• Selecting stations by the 
type of programme
— PTY 
• Automatic 
clock time
 setting. 
— CT 
Notes
• Depending on the country/region, not all of the RDS 
functions are available.
• RDS will not work properly 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 (Alternative Frequencies)
The 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 12).
2
Press 
(AF)
 repeatedly until “AF-ON” 
appears.
The unit starts searching for an alternative 
frequency with a stronger signal in the same 
network.
If “NO AF” flashes, the currently tuned 
station does not have an alternative frequency.
Tips
• 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.”
To
Press
Switch Clock/
Station name
(DSPL)
Displayable items
• Radio band
• Function
Displayable items
• Station name (frequency)
• Clock
• RDS data
Frequencies change automatically.
98.5 MHz
Station
102.5 MHz
96.0 MHz