Operating instructions
ACR 3231
Table of Contents
Important information .................. 10
Traffic safety ......................................... 10
Installation / Hook-up ............................ 10
Radio operation............................ 10
Select the frequency range ................... 10
Station search ....................................... 10
Manual station search ........................... 10
Adjusting station search sensitivity ....... 10
Stereo - mono switch ............................ 10
Storing stations ..................................... 11
Storing the strongest stations
automatically ......................................... 11
Recalling stored stations ....................... 11
Cassette tape operation .............. 11
Insert cassette tape............................... 11
Remove cassette tape .......................... 11
Fast forward .......................................... 11
Care of your audio equipment............... 12
Appendix ....................................... 12
Technical data....................................... 12
8
Legend
1 On/off
Turn knob.
On
5
9 FM•T (frequency modulation)
Switch for the FM memory banks I, II,
III and “T” (Travelstore) - for storing and
recalling the six nearest, strongest stati-
on signals.
Station selection
automatic or manual (“m” in display).
Switch over by pressing lo • m 6
Off
Adjust volume:
Turn knob.
Store “T”:
Press FM•T until the search begins in
the display.
6 lo • m
Io lit up in the display indicates normal
2 Cassette tape slot
sensitivity for the station search functi-
on.
Recall “T”:
Press FM•T until T appears in the dis-
play. Then press the station button qui-
ckly and repeatedly if necessary.
3
Fast forward
Io not lit up in the display indicates high
sensitivity for the station search functi-
on.
Start/end fast forward: press button
gently.
- Eject cassette tape:
Press button firmly.
: TONE
m lit up indicates manual station fine
tuning.
Adjust tone.
more bass
more treble
4 Display for
Added feature:
Switch over from stereo to mono:
Press lo • m for longer than 2 seconds.
frequency range
frequency
7 M•L
AM and long-wave (LW) switch.
Press this button repeatedly if neces-
sary.
memory bank
channel preset
8 1- 5
For storing and recalling radio stations
stereo
manual fine
tuning
sensitivity
(station search)
9
Important information
Radio operation
If you hold the button pressed, then the
frequencies will move up or down more
quickly.
Traffic safety
Select the frequency range
As the driver of a motor vehicle, it is your
responsibility to pay attention to the traffic
situationatalltimes.Neveruseyourcarradio
in a way that could distract you. Should the
traffic situation become particularly deman-
ding, we would advise you not to use the
radio. Please keep in mind that you travel a
distance of 14 m per second at a speed of
only 50 km/h. When adjusting the volume,
make sure that you are still able to hear
sounds coming from outside of the vehicle,
so that you are always able to react to war-
ning signals.
You can choose between the frequency ran-
ges:
FM 87.5 – 108 MHz,
AM 531 – 1602 kHz and
LW 153 – 279 kHz.
Adjusting station search sensiti-
vity
You can adjust the sensitivity of the automa-
tic station search.
•
Switch on the desired frequency range
by pressing either the button FM • T or
M • L.
•
Press lo • m.
When “Io” is visible in the display, then
only those stations with relatively strong
signals will be picked up (low sensitivi-
ty).
When “Io” is not visible in the display,
then stations with weaker signals will
also be picked up (high sensitivity).
Switching between AM and LW:
Press M • L.
•
Station search
m should not be lit up in the display. If it is,
switch it off by pressing lo • m
Installation / Hook-up
If you would like to install your new car radio
yourself or add other audio components to
theexistingones,thenpleasereadtheenclo-
sed instructions on installation and hook-up
carefully.
Do not ground the loudspeaker outputs!
UseonlyBlaupunkt-certifiedaccessoriesand
spare parts.
•
press right or left.
Stereo - mono switch
The car radio will automatically tune
into the next station.
If you would like to switch between stereo
and mono reception:
If you hold the button pressed, the search
function will forward quickly.
•
Press lo • m for approximately 2 se-
conds.
During stereo reception the stereo sym-
Manual station search
bol
will light up in the display.
m (manual) must be lit up in the display. If it
is not, switch it on by pressing lo • m.
Each time the car radio is switched on, the
reception will automatically be set to stereo.
The radio will automatically switch to mono
when the reception conditions are poor.
•
press right or left quickly.
The frequency will move up or down in
short intervals.
10
Cassette tape operation
Storing stations
Storing the strongest stations
automatically
Insert cassette tape
For each memory bank (I, II, III, T) you can
store up to five stations using the button 1-5. (Travelstore)
•
•
Switch the car radio on.
Insert a cassette tape with the empty
reel facing forward and the open side
facing to the left.
In your reception area you can automatically
store the five nearest FM stations, sorted
according to their frequencies.
This feature is particularly useful when you
are travelling.
•
For FM select the memory bank by
pressing FM•T.
You can store 5 stations each for AM and LW
frequencies.
Tape playback will begin.
When the tape has run to the end, the car
radio will switch on automatically.
•
Select the button 1-5 to store the new
•
Press FM•T for at least 2 seconds.
The radio will search for the nearest FM
stations and store them in the memory
bank “T” (Travelstore). When the pro-
cess has been completed, the first stati-
on will be set.
station and press it.
•
Press
to tune in the station you
Remove cassette tape
want to store (automatically or manual-
ly).
•
Press
firmly.
The cassette will be ejected.
•
Press the button 1-5 and hold it. First
the station will be muted and then be-
come audible again.
If you wish, you can also store stations in the
Travelstore memory bank manually.
Fast forward
The station has been stored in the memory
bank.
The corresponding memory bank and the
button preset will appear in the display.
To begin and end fst forwarding,
•
Press
gently.
Recalling stored stations
Youcanrecallthestoredstationsbypressing
the corresponding buttons.
Note:
•
•
Select the memory bank.
Press FM•T until I, II, III or T appears in
the display.
If you tune into a station which has already
been stored, then the corresponding button
preset and the memory bank will flash in the
display for approximately 5 seconds.
Select the station by pressing the but-
ton 1-5, press repeatedly if necessary.
11
Appendix
Care of your audio equipment
Technical data
We recommend that you use only C60/C90
cassette tapes in your car radio. Protect your
cassettes from dirt, dust and temperatures
exceeding 50 °C. During cold weather, allow
cold cassettes to warm up somewhat before
playing them in order to avoid uneven tape
transport. Operating problems and sound
distortions may occur after approximately
100 hours of playing time and are caused by
dust particles which adhere to the rubber
roller pad and the tape head. Use a cleaner
cassette to remove normal dirt build-up. If
more dirt than usual has accumulated, use a
cotton bud dipped in rubbing alcohol to clean
these parts. Never use any hard tools.
Amplifier:
Output power:
2 x 6.5 W RMS power
according to DIN 45324/
3.1 at 4 Ω
FM:
Sensitivity:
1.3 µV at 26 dB
S/N ratio
35 - 15 000 Hz (-3 dB)
Response:
Cassette:
Response:
40 - 14 000 Hz (-3 dB)
Information subject to change!
12
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