Blaupunkt Car Stereo System ACR 3250 User Manual

Operating instructions  
ACR 3250  
 
Table of contents  
Radio operation with RDS ........... 18 Appendix ....................................... 21  
Short instructions ........................ 14  
AF - Alternative frequency .................... 18 Mechanism/cassette tapes ................... 21  
REG - regional programme ................... 18 Specifications ........................................ 22  
Selecting a station................................. 18  
Automatic tuning ................................ 18  
Manual tuning .................................... 18  
Important notes ............................ 16  
Precautions ........................................... 16  
Traffic safety ......................................... 16  
Installation/Connection.......................... 16  
Selecting the seek tuning sensitivity ..... 19  
Switching from stereo to mono (FM) ..... 19  
Anti-theft protection ..................... 16  
Entry of a wrong code number .............. 16 Changing the memory bank .................. 19  
Switching on security coding................. 17 Storing stations ..................................... 19  
Re-start following an interruption of the  
Automatically storing the strongest  
power supply ......................................... 17 stations with Travelstore ....................... 19  
Switching off security coding................. 17 Recalling stored stations ....................... 20  
CODE LED............................................ 17  
Receiving traffic programme  
stations with RDS-EON ................ 20  
Traffic announcement priority on/off ..... 20  
Warning beep........................................ 20  
Switching the warning beep off.......... 20  
Automatic seek tuning start................... 21  
Adjusting the volume for traffic an-  
nouncements and the warning beep ..... 21  
Tape operation.............................. 21  
Inserting a tape ..................................... 21  
Removing a tape ................................... 21  
Fast Forward ......................................... 21  
13  
 
Short instructions  
1 On / Off:  
Turn the knob.  
On  
3 Fast winding/Cassette removal  
2 seconds. REG ON/REG OFF is dis-  
played for approximately 2 seconds.  
REG ON / REG OFF - With REG ON  
the system will only switch to a better  
alternative frequency if it offers the  
same regional programme (see “REG -  
regional programme”).  
Off  
To adjust the volume:  
Turn the knob.  
FF :Fast forward; stop by pressing FF.  
2 TONE – audio  
To adjust the  
Cassette removal  
7 TA (Traffic Announcement = priority for  
traffic anouncements)  
Push the  
button fully.  
BASS  
TREBLE (treble control)  
If “TA” is displayed, the system will play  
traffic programme stations only.  
TA on/off: Press the TA button.  
4 Cassette loading slot  
Insert tape (side A or 1 up; the open  
side facing to the right).  
To alter a setting:  
Toggle the TONE button until the corre-  
sponding abbreviation and the adjusted  
value appear in the display.  
8 1 to 6  
5 FM  
To store and recall stations.  
To shift between the FM memory  
banks:  
9 lo·m  
Toggle button until the desired bank is  
indicated in the display (I, II or “T”).  
lo (local) - To alter the seek tuning sen-  
sitivity during radio operation.  
If “lo” is displayed, the radio will only  
pick up strong, local stations (normal  
sensitivity).  
If “lo” does not light up, the radio will  
also pick up weaker, distant stations  
(high sensitivity).  
If the display shows “m”, manual tuning  
is adjusted.  
To toggle the function: Press lo·m  
briefly during radio operation.  
Use the  
buttons to alter the selec-  
ted setting. The adjusted value is indi-  
cated in the display.  
The last setting will be stored automati-  
cally.  
If the setting remains unchanged within  
8 seconds, the display will switch back  
to the previous condition.  
6 AF  
(Alternative Frequency during RDS  
operation)  
When “AF” lights up in the display, the  
radio will automatically search for a  
frequency offering better reception of  
the same RDS programme.  
To switch AF on/off: Press AF briefly.  
Extra function:  
Hold down the button for approximately  
14  
 
Extra function:  
To switch between stereo and  
mono:  
; Display  
Radio operation:  
<
Station tuning – automatically, if “m”  
has disappeared from  
Hold down the button for approximately  
2 seconds. With stereo playback, the  
stereo sign “ ” will appear in the dis-  
play.  
the display.  
– manual, if “m” lights  
up in the display.  
Toggle by pressing the lo·m button.  
NDR1 - Station abbreviation or frequency  
FM - Waveband  
I, II, T - Memory bank (I, II, or Travelstore)  
: TS – Travelstore  
= Code LED  
To store and recall the six most power-  
ful stations of the respective reception  
area automatically.  
Flashes for additional theft protection  
when the ignition has been switched  
off.  
4
- Preset buttons (1 - 6)  
- Stereo  
lo  
AF  
TP  
- Seek tuning sensitivity  
- Alternative RDS frequency  
- You are listening to a traffic  
programme station.  
To store with Travelstore:  
Press TS briefly. The seek tuning pro-  
cess starts; the stations found will be  
stored automatically.  
TA  
- Priority for traffic programme  
stations  
Tape operation:  
To recall a station stored with TS:  
Toggle the FM button until the display  
shows “T”. Then briefly press one of  
the preset buttons 1- 6.  
TAPE-Tape operation  
15  
 
Important notes  
Anti-theft protection  
This car radio is supplied with inactive code  
protection. In order to switch the security  
coding system on, proceed as described in  
the following.  
If the coding system is active while the power  
supply to the system is interrupted (e.g. theft,  
disconnection of the car battery), the set will  
be electronically blocked. In such a case it  
canonlybemadeoperableagainbyentering  
the correct code number given in the car  
radio passport.  
Precautions  
Installation/Connection  
Before starting to use your new car radio, If you would like to install this equipment  
please read the information on “Traffic safe- yourself or add any new components, please  
ty” and “Anti-theft protection” carefully.  
carefully read the installation and connection  
instructions following the appendix.  
Do not ground the loudspeaker outputs!  
Use only the accessory and replacement  
parts approved by Blaupunkt.  
Traffic safety  
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.  
Please keep in mind that you travel a dis-  
tance of 14 m per second at a speed of only  
50 km/h.  
Should the traffic situation become particu-  
larlydemanding,weadviseyounottousethe  
radio.  
Always make sure that you are still able to  
hear any warning signals coming from out-  
side of the vehicle, such as police or fire  
engine sirens, so that you can react accord-  
ingly.  
Therefore, you should always select a  
moderate volume for playing your car radio  
while you are driving.  
Entry of a wrong code number  
It should not be possible for a thief to find out  
the correct code number by trial and error.  
Thisiswhythesetwillbeblockedforacertain  
periodoftimeafterawrongcodenumberhas  
been entered. The display will then show  
“CODE ERR”.  
After the first three unsuccessful attempts  
the system will lock for 10 seconds; after  
further attempts, the waiting time extends to  
one hour.  
After 19 unsuccessful attempts the display  
will show “OFF”. In this case you can no  
longer re-start the unit.  
Note:  
Keep your car radio passport with the code  
number in a safe place in order to avoid  
16  
 
“unauthorised access” to your car radio.  
When the security code system is activated,  
the unique code must be entered each time  
the power to the unit was interrupted.  
The radio will function again as soon as you  
have entered the correct code.  
If you have lost your radio passport and  
forgotten the code number, your radio can  
only be made operable again by one of our  
authorised service workshops, which is sub-  
ject to payment.  
- Press the TS button once; the display  
shows “2521”.  
Switching off security coding  
Turn off the radio.  
To confirm the code number:  
Press AF and > buttons simultaneously  
Press the > button.  
and hold down while  
Now the security coding system is active.  
ThedisplaywillbrieflyshowCeachtimethe  
set is turned on.  
If the display shows “CODE ERR”, you have  
entered a wrong code. Re-enter the correct  
code after the waiting time (“CODE” will ap-  
pear in the display).  
If you switch off the set while it is blocked, the  
waiting time will start anew as soon as the  
radio is turned on again.  
switching the set on again.  
The display shows “CODE”.  
Now enter the code number to be found  
in the car radio passport and confirm  
(see example under “Switching on se-  
curity coding.”).  
Security coding is now switched off.  
Switching on security coding  
To activate the coding system:  
CODE LED  
Turn off the radio.  
To indicate that your unit is equipped with  
security coding, the LED flashes for extra  
security when the car is stationary.  
Press buttons AF and > simultaneously  
Re-start following an interrup-  
tion of the power supply  
(coding system is activated)  
and hold down.  
Turn on the radio.  
The display shows “CODE”.  
Turn on the radio.  
The display shows “CODE”.  
Briefly press the FM button; the display  
shows “0000”.  
Enter the code number given in the  
Blaupunkt car radio passport and con-  
firm (see example under “Switching on  
security coding”).  
Enter the code number given in the  
Blaupunkt car radio passport.  
Example: The code number is 2521.  
- Press the FM button twice; the dis-  
play shows “2000”.  
- Press the AF button five times; the  
display shows “2500”.  
The unit is now ready for use.  
- Press the TA button twice; the dis-  
play shows “2520”.  
17  
 
Radio operation with RDS (Radio Data System)  
The Radio Data System offers you more switching on the radio or recalling one of the  
convenience when listening to FM radio sta- stored frequencies, the unit is automatically  
Press the AF button for approximately  
2 seconds until “REG OFF” appears.  
tions.  
searching for an alternative frequency.  
When active, “REG ON” will be briefly dis-  
played each time the radio is switched on.  
More and more radio stations have begun to “SEARCH” will disappear from the display  
broadcast RDS information alongside their when the alternative frequency has been  
programmes.  
found or after the frequency band has been  
Selecting a station  
Assoonasaprogrammehasbeenidentified, run through completely.  
the station name including a regional identi- If the reception quality of the selected pro-  
fier, if applicable, will appear in the display, gramme becomes too poor:  
for example, NDR1 NDS (regional program-  
With this car radio you can receive FM sta-  
tions from 87.5 to 108 MHz.  
Using the  
buttons there are two different  
Tune into another station.  
me in Lower Saxony, Germany).  
ways to tune into a station:  
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.  
REG - regional programme  
Automatic tuning  
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  
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.  
But RDS offers you further advantages:  
AF - Alternative frequency  
Press  
cally search for the next station.  
When keeping the or the button de-  
; the car radio will automati-  
The AF (Alternative Frequency) function of the day.  
makes sure that the strongest frequency of If you are tuned into a regional programme  
the currently selected programme is always and you wish to continue listening to this  
pressed, seek tuning will speed up in up-  
wards or downwards direction.  
tuned in automatically.  
programme,  
This function is activated when “AF” appears  
in the display.  
press the AF button for approximately  
2 seconds.  
Manual tuning  
Prerequisite: “m” lights up in the display.  
Toggle the lo·m button until “m” is displayed.  
In order to switch this function on or off,  
“REG ON” appears in the display.  
press the AF button briefly.  
If you leave the service area of the regional  
Press  
; the frequency will change in  
The radio will switch to mute briefly while programme tuned into, or if you would like to  
searching for the strongest reception signal. take advantage of the full RDS service,  
If “SEARCH” appears in the display when switch to “REG OFF”.  
short intervals in upwards or down-  
wards direction.  
18  
 
When holding the  
frequency scan is speeded up.  
or  
button down, the  
Changing the memory bank  
Note:  
If you tune into an already stored station, the  
correspondingmemorybankandpresetbut-  
ton flash in the display for approximately 6  
seconds.  
You can shift between the memory banks I,  
II and T in order to store stations and recall  
them later.  
The currently selected memory bank is indi-  
cated in the display.  
Selecting the seek tuning sensi-  
tivity  
You can alter the automatic seek tuning  
sensitivity.  
For this,  
Automatically storing the  
strong-est stations with Travel-  
store  
Toggle the FM button until the desired  
memory bank lights up in the display.  
press the lo·m button briefly.  
Storing stations  
If “lo” is displayed, the radio will only pick up  
strong, local stations (low sensitivity).  
If “lo” does not light up, the radio will also pick  
up weaker, distant stations (high sensitivity).  
Make sure that “m” is not indicated in the  
display.  
You can automatically store the six most  
powerful FM stations of your current recep-  
tion area sorted according to their signal  
strength.  
This function is particularly convenient on  
longer trips.  
On FM, you can store six stations on the  
preset buttons 1-6 for each of the memory  
banks I, II and T.  
Select the memory bank with the FM  
button.  
Press the TS button briefly.  
Select the desired preset button (1 to  
6) for the new station to be stored  
using preset buttons 1-6.  
The radio will search for the strongest FM  
stations and store them on the memory bank  
“T” (Travelstore). When this process has  
been completed, the radio will play the first  
station.  
If desired, stations can also be stored manu-  
ally on the Travelstore bank (see “Storing  
stations”).  
Switching from stereo to mono  
(FM)  
If reception is poor, you may get better sound  
quality by switching to mono:  
Tune into a station either automatically  
or manually by pressing  
or  
.
Press the lo·m button until a beep  
sound is released and the stereo sign  
disappears from the display.  
Press the desired preset button 1-6  
until the radio resumes play after the  
muting and you hear the beep.  
Each time the radio is switched on, stereo  
playback is activated ( is displayed).  
The unit will automatically switch to mono if  
the received signal is not strong enough for  
stereo playback.  
Now the station has been stored.  
The activated preset button 1-6 is indicated  
in the display.  
19  
 
Receiving traffic programme stations with RDS-EON  
Many FM broadcasters offer traffic mess- To switch the priority on or off:  
Recalling stored stations  
ages for their service area at regular inter-  
vals.  
Press the TA button.  
You can recall any stored station at the touch  
of a button.  
When pressing TA while a message is being  
broadcast, this message will be interrupted.  
The unit will then switch back to the previous  
condition. The priority for other traffic mes-  
sages remains active.  
All traffic programme stations transmit a spe-  
cial carrier signal alongside their program-  
mes, which is decoded by your car radio. If  
this signal is identified, “TP” will appear in the  
display (Traffic Programme).  
Select the memory bank by toggling the  
FM button until the desired level ap-  
pears in the display.  
Press the corresponding preset button  
until the display shows the desired pre-  
set button.  
In addition to these, there are also stations  
which do not actually transmit traffic pro-  
grammes themselves, but by using RDS-  
EON they offer the possibility to receive the  
traffic messages broadcast by another traffic  
programme station in the same radio net-  
work. If you listen to one of these stations  
(e.g. NDR3), “TP” will appear in the display  
as soon as the priority for traffic programme  
stationshasbeenactivated, i.e. “TAmustbe  
displayed.  
Warning beep  
If you leave the reception area of the traffic  
programme station currently tuned into, you  
will hear a warning beep after approximately  
30 seconds.  
This alarm tone will also be released when  
pressing a preset button which has no traffic  
programme allocated to it.  
Switching the warning beep off  
If a traffic announcement is broadcast, the  
radio will automatically switch to the linked  
traffic programme station (in this case,  
NDR2) for the duration of the message and  
return to the original programme (NDR3)  
afterwards.  
a) Tune into another station offering traffic  
information:  
Press  
or  
press one of the preset buttons 1-6  
and tune into a stored traffic pro-  
gramme station.  
Alternatively:  
Traffic announcement priority  
on/off  
b) Switch off the priority for traffic an-  
nouncements:  
If the priority for traffic announcement pro-  
grammes is activated, “TA” will light up in the  
display.  
Press TA.  
“TA” will disappear from the display.  
20  
 
Tape operation  
Appendix  
Automatic seek tuning start  
Inserting a tape  
Mechanism/cassette tapes  
Prerequisite:  
The priority for traffic announcements has  
been activated.  
To avoid possible problems, you should not  
use cassette tapes longer than 60 or 90  
minutes (C60/C90). Store your tapes in a  
cool place away from dirt, dust and tempera-  
turesexceeding50° Celsius. Allowverycold  
tapes to warm up before playing them in  
order to avoid uneven tape transport. After  
approximately 100 hours of use, dust par-  
ticles collected on the playback head or roller  
may lead to tape run problems and sound  
distortions.  
Use a head cleaning tape to remove normal  
dirt build-up. For tougher cases, use a cotton  
swab (Q-Tip) soaked with alcohol. Do not  
attempt to clean by inserting a hard object  
into the player!  
Turn on the set.  
Insert a tape.  
When leaving the reception area of the tuned  
in traffic programme station while listening to  
a tape or after having turned down the vol-  
ume completely, the system will automati-  
cally start searching for a new TA program-  
me.  
If no such station is found within approxi-  
mately 30 seconds, tape operation will be  
stopped and a warning beep will sound. To  
switch the warning beep off, proceed as  
described above.  
Insert the tape with side A or 1 showing up, the  
open side facing to the right.  
The display shows “TAPE” while the tape is  
being played.  
Removing a tape  
Press  
.
Adjusting the volume for traffic  
announcements and the warning  
beep  
The cassette will eject.  
Fast Forward  
This volume was preset at the factory.  
Starting and stopping Fast Forward  
press the  
button half-way.  
21  
 
Specifications  
Amplifier  
Output power:  
2 x 10 W RMS power  
acc. to DIN 45324/3.1  
into 2  
FM waveband  
Sensitivity:  
1.3 µV at 26 dB  
signal-to-noise ratio  
Frequency  
response:  
35 - 15 000 Hz  
30 - 14 000 Hz  
Tape player  
Frequency  
response:  
Subject to modifications!  
22  
 
Blaupunkt-Werke GmbH  
Bosch Gruppe  
 

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