Operating instructions
ACR4230
Table of Contents
Cassette tape operation .............. 13
Important information .................. 11
Insert cassette tape............................... 13
Remove cassette tape .......................... 13
Fast forward .......................................... 13
Fast rewind ........................................... 13
Autoreverse function ............................. 13
Care of your audio equipment............... 14
Traffic safety ......................................... 11
Installation / Hook-up ............................ 11
Radio operation ............................ 11
Station search ....................................... 11
Manual station search ........................... 11
Adjusting station search sensitivity
for FM.................................................... 11
Stereo - mono switch ............................ 11
Storing stations ..................................... 12
Storing the strongest stations
Appendix....................................... 14
Technical data....................................... 14
automatically ......................................... 12
Recalling stored stations ....................... 12
Traffic messages (ARI) ................ 12
Switching the traffic messages (ARI)
on and off .............................................. 12
Warning beep........................................ 12
Switching the warning beep off ............. 13
Automatic search start .......................... 13
9
Legend
1 On/off
Turn knob.
On
Added feature:
Switch over from stereo to mono:
Press lo • m for longer than 2 seconds.
7 Display for
frequency range
frequency
Off
Adjust volume:
Turn knob.
: ARI (traffic messages)
When ARI is visible in the display, you
are able to tune into only those radio
stations which broadcast traffic messa-
ges.
memory bank
ARI priority
ARI station code
channel preset
track (cassette)
stereo
2
- Eject cassette tape
3 Cassette tape slot
; 1- 5
For storing and recalling radio stations
manual fine
tuning
4 FR (Fast Rewind):
sensitivity
Rewinds tape quickly to the beginning.
To switch off: press FF button.
< 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 search)
8
5 PROG (Autoreverse)
Station selection
To switch over to the other tape track -
press both buttons.
automatic or manual (“m” in display).
Switch over by pressing lo • m 9
Store “T”:
Press FM•T until the search begins in
the display.
6 FF (Fast Forward)
9 lo • m
Recall “T”:
Forwards tape quickly to the end.
To switch off: press FR button.
Changing the search tuning sensitivity
Press FM•T until T appears in the dis-
play. Then press the station button qui-
ckly and repeatedly if necessary.
for FM stations
Io lit up in the display indicates normal
sensitivity for the station search functi-
on.
Io not lit up in the display indicates high
sensitivity for the station search functi-
on.
= TREB (treble)
For adjusting the treble
> BASS
m lit up indicates manual station fine
tuning.
For adjusting the bass
10
Important information
Radio operation
Adjusting station search sensiti-
vity for FM
Traffic safety
With this car radio you can receive FM fre-
As the driver of a motor vehicle, it is your quencies ranging from 87.5 to 108 MHz.
responsibility to pay attention to the traffic
situationatalltimes.Neveruseyourcarradio
You can adjust the sensitivity of the automa-
tic station search.
Station search
in a way that could distract you. Should the
•
Press lo • m.
m should not be lit up in the display. If it is,
switch it off by pressing lo • m
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.
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).
•
press right or left.
The car radio will automatically tune
into the next station.
If you hold the button pressed, the search
function will forward quickly.
Manual station search
Stereo - mono switch
m (manual) must be lit up in the display. If it
is not, switch it on by pressing lo • m.
Installation / Hook-up
If you would like to switch between stereo
and mono reception:
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 quickly.
The frequency will move up or down in
short intervals.
•
Press lo • m for approximately 2 se-
conds.
During mono reception the stereo sym-
If you hold the button pressed, then the
frequencies will move up or down more
quickly.
bol
will light up in the display.
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.
11
Traffic messages (ARI)
Storing stations
Storing the strongest stations
automatically
Many FM stations broadcast traffic news for
their reception area at regular intervals. Sta-
tionsusingtheARIsystembroadcastan“ARI
signal”duringtheirprogrammes, sothatyour
car radio can recognize them. Another signal
is broadcast to indicate the beginning and
end of a traffic message. These traffic mes-
sages are broadcast at a preset volume. If
you are playing a cassette, it will be interrup-
ted until the traffic message has ended and
will then resume operation.
For each memory bank (I, II, III, T) you can
store up to five stations using the button 1-5. (Travelstore)
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.
•
•
•
Select the memory bank by pressing
FM•T.
Select the button 1-5 to store the new
station and press it.
Press
to tune in the station you
•
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.
want to store (automatically or manual-
ly).
•
Press the button 1-5 and hold it. First
the station will be muted and then be-
come audible again.
Switching the traffic messages (ARI) on
and off
If you want to switch the reception of traffic
messages (ARI) on or off
The station has been stored in the memory
bank.
The corresponding memory bank and the
button preset will appear in the display.
If you wish, you can also store stations in the
Travelstore memory bank manually.
•
Press ARI.
ARI will light up in the display, when the
reception is switched on.
Recalling stored stations
Now the radio will only pick up those stations
broadcasting the ARI signal.
Youcanrecallthestoredstationsbypressing
the corresponding buttons.
Note:
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 memory bank.
Press FM•T until I, II, III or T appears in
the display.
Warning beep
Should you leave the reception area of the
station you are tuned to, then you will hear a
warning beep after approximately 30 se-
conds. If you should press a button preset for
a station which does not broadcast the ARI
signal, then you will also hear a warning
beep.
Select the station by pressing the but-
ton 1-5, press repeatedly if necessary.
12
Cassette tape operation
Switching the warning beep off
Fast forward
Insert cassette tape
a) Tune to a different station broadcasting
the ARI signal:
•
Press FF (fast forward).
At the end of the tape, the tape will
switch to the opposite track and start
playing.
•
•
Switch the car radio on.
Insert a cassette tape with side A or 1
facing up, the open side facing to the
right. Do not use force.
•
•
Press
or
select a stored station with the ARI
signal by pressing the button preset
1-5.
Stop fast forward
Press FR.
Thecassettetapewillbeplayedinthedirecti-
on used last. The display will indicate which
side is being played.
•
or
b) Switch the traffic message priority off:
Press ARI.
Fast rewind
- indicates side A or 1
•
- indicates that side B or 2 is being played
(reverse operation).
•
Press FR (fast rewind).
When the tape has rewound to the be-
ginning, it will switch to play.
Automatic search start
(during cassette operation)
Remove cassette tape
Stop fast rewind
Press FF.
If you should leave the reception area of your
ARI station while you are playing a cassette,
then the car radio will automatically tune into
a different station broadcasting the ARI si-
gnal.
•
•
Press
The cassette will be ejected.
Autoreverse function
Switching tracks during playback.
•
Press FR and FF at the same time.
At the end of the tape, the unit will automati-
cally switch to the other track.
Note:
If there is too much tension on the cassette
tape during playback, it may switch to the
other track by itself. Check the condition of
the tape. Sometimes it helps to rewind the
cassette tape completely.
13
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:
32 - 16 000 Hz (-3 dB)
Information subject to change!
14
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