ACR 3251 GB
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•Press the AF button for approximately
2 seconds until “REG OFF” appears.
When active, “REG ON” will be briefly dis-
played each time the radio is switched on.

Selecting a waveband

You can choose between the following wave-
bands:
FM 87.5 - 108MHz
MW 531 - 1602kHz
LW 153 - 279kHz
•Set the desired waveband by pressing
FM·T or M·L.
To switch from MW to LW or vice versa
•press the M·L button.

Selecting a station

Using the buttons there are several
different ways of tuning into a station:
Automatic tuning
Prerequisite: “AF” and “m” do not light up in
the display, i.e. the Alternative Frequency
function and manual tuning are switched off.
Use the AF and lo·m buttons (lo, m, -, lo) to
adjust the respective modes.
•Press ; the car radio will automati-
cally search for the next station.
switching on the radio or recalling one of the
stored frequencies, the unit is automatically
searching for an alternative frequency.
“SEARCH” will disappear from the display
when the alternative frequency has been
found or after the frequency band has been
run through completely.
If the reception quality of the selected pro-
gramme becomes too poor:
•Tune into another station.

REG - regional programme

Certain radio programmes are split up at
times into regional programmes offering lo-
cal information. The 1st programme broad-
cast by NDR, for example, offers program-
mes with different contents in the northern
states of Germany Schleswig-Holstein,
Hamburg and Lower Saxony at certain times
of the day.
If you are tuned into a regional programme
and wish to continue listening to this pro-
gramme,
•press the AF button for approximately
2seconds.
“REG ON” appears in the display.
If you leave the service area of the regional
programme tuned into, or if you would like to
take advantage of the full RDS service,
switch to “REG OFF”.
Radio operation with RDS (Radio Data System)
The Radio Data System offers you more
convenience when listening to FM radio sta-
tions.
More and more radio stations have begun to
broadcast RDS information alongside their
programmes.
As soon as a programme has been identified,
the station name including a regional identi-
fier, if applicable, will appear in the display,
for example, NDR1 NDS (regional program-
me in Lower Saxony, Germany).
When RDS is activated, the station buttons
become programme buttons. You now know
exactly which programme you have tuned
into, making it easy to find the desired station
quickly.
But RDS offers you further advantages:

AF - Alternative frequency

The AF (Alternative Frequency) function
makes sure that the strongest frequency of
the currently selected programme is always
tuned in automatically.
This function is activated when “AF” appears
in the display.
In order to switch this function on or off,
•press the AF button briefly.
The radio will switch to mute briefly while
searching for the strongest reception signal.
If “SEARCH” appears in the display when