Sony CDX-CA650V: Automatic retuning for best RDS Overview of RDS

Automatic retuning for best

RDS

reception results

— AF function

Overview of RDS

The alternative frequencies (AF) function allows

the radio to always tune into the area’s strongest

signal for the station you are listening to.

FM stations with Radio Data System (RDS)

service send inaudible digital information along

Frequencies change automatically.

with the regular radio programme signal. For

example, one of the following will be displayed

upon receiving a station with RDS capability.

96.0 MHz

98.5 MHz

Displayable items

• Music source

• Clock

• Function

Station

102.5 MHz

1 Select an FM station (page 14).

2 Press (AF) repeatedly until “AF-ON”

appears.

The unit starts searching for an alternative

Displayable items

frequency with a stronger signal in the same

•

Station name (frequency)

network.

• Programme type

If “NO AF” flashes, the currently tuned into

station does not have an alternative frequency.

Note

To Press

When there is no alternative frequency in the area or

Switch display

(DISPLAY/PTY)

when you do not need to search for one, turn the AF

item

function off by selecting “AF-OFF.”

For stations without alternative

RDS services

frequencies

RDS data offers you other conveniences, such as:

• Automatic retuning of a programme, helpful

Press either side of (SEEK) while the

during long-distance drives. — AF t page 16

station name is flashing (within 8

• Receiving traffic announcements, even

seconds).

when enjoying another programme/source. —

The unit starts searching for another

TA t page 17

frequency with the same PI (Programme

• Selecting stations by the type of programme

Identification) data (“PI SEEK” appears).

it broadcasts. — PTY t page 18

If the unit cannot find the same PI, the unit

• Automatic clock time setting. — CT t page

returns to the previously selected frequency.

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Notes

Staying with one regional programme

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

When AF function is on: this unit’s factory-set

RDS functions are available.

setting restricts reception to a specific region, so

• RDS may not work properly if the signal strength is

weak or if the station you are tuned to is not

you won’t be switched to another regional station

transmitting RDS data.

with a stronger frequency.

If you leave this regional programme’s reception

area or would like to take advantage of the whole

AF function, select “REG-OFF” from the MENU

(page 22).

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