Blaupunkt Car Stereo System ACD 9431 User Manual

Operation Instructions  
ACD 9431  
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Front Panel Description  
1 ON/OFF  
5 MIX•lo•m button  
9 Display  
Switch on the set by turning knob 1.  
CD:  
Use this button to play the CD titles in  
an arbitrary order.  
Radio:  
Button to shift between the normal and  
high-sensitivity manual station seek  
mode, and mono switch.  
: Preset buttons  
2 AUD button (sound control/broader  
interior sound impression)  
Storing a station:  
Keep button depressed during radio  
operation until the station becomes  
audible again.  
Recalling a station:  
Press button briefly.  
BAS – Adjustment of the low frequen-  
cies via buttons < > 7.  
TRE – Adjustment of the high frequen-  
cies via buttons < > 7.  
BAL – Adjustment of the left/right volu-  
6
• SRC button (Source)  
me via buttons < > 7.  
FAD – Adjustment of the front/rear vo-  
lume via buttons < > 7.  
To shift between the individual audio  
sources, e.g. CD Radio CD.  
By pressing the  
• SRC button 6 for  
more than than 3 seconds, the CD is  
ejected.  
3 FM•T button (Frequency Modulation)  
FM button  
This button is used for shifting between  
the different individual FM storage le-  
vels and T (Travelstore).  
7 < > rocker switch  
Radio:  
Automatic station selection  
CD:  
Skipping to next/previous title.  
Pressing the rocker switch < > longer  
than 1 sec. activates fast forward (cue)  
or fast reverse (review).  
4 M•L button (Medium wave - Long  
wave)  
Use this button to select either the me-  
dium wave (MW) or long wave (LW)  
frequencies.  
Press button again to shift between  
MW and LW.  
8 CD slot  
Insert the CD with the label side sho-  
wing to the top.  
12  
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Contents  
Important information  
Front Panel Description............... 12  
CD Section .................................... 17 What you need to know!  
Inserting the Disc .................................. 17  
Ejecting the Disc ................................... 17  
Title Selection/Cueing and Reviewing .. 17  
Mix Function.......................................... 18  
Changing the Audio Source with SRC .. 18  
Before starting to use your new car radio you  
shouldcarefullyreadthroughtheinformation  
on “Traffic safety” and “Anti-theft coding”.  
Important information .................. 13  
What you need to know! ....................... 13  
Traffic safety ......................................... 13  
QuickOut ............................................... 13  
Installation/connection .......................... 14  
Traffic safety  
Programming with DSC ............... 18  
Traffic safety has always priority. Use your  
car radio in such a manner that you are  
always able to cope with and react to the  
prevailing traffic situation at any given time.  
Remember, even at 50 km/h you are still  
moving at a speed of 14 m per seconds.  
It is also very important that you are able to  
hear, and react to, acoustic warning signals  
around you, for example from the police or  
the firebrigade.  
Anti-theft coding .......................... 14  
Adjusting the seek tuning sensitivity .. 18  
Wrong code number entered ................ 14  
Switching the code system on .............. 14  
Restart following interruption of  
power supply ......................................... 15  
Switching the code system off .............. 15  
Appendix ....................................... 18  
Technical Data ...................................... 18  
What To Do If Your Car Stereo Needs  
Service? ................................................ 18  
Amplifier Section.......................... 15  
ON/OFF ................................................ 15  
Bass and Treble Control ....................... 15  
Balance and Fader Control ................... 16  
Therefore, adjust the volume reasonably.  
Radio Section ............................... 16  
QuickOut  
Selecting the Desired Waveband.......... 16  
Tuning in a Station Automatically.......... 16  
Manual Tuning ...................................... 16  
Adjusting the Station Seek Sensitivity... 16  
Mono/Stereo Operation......................... 17  
Memorizing a Station ............................ 17  
Automatically Storing the Strongest  
Using the QuickOut handle you can easily  
pull your radio out of the installation compart-  
ment to take it along. The preset stations  
remain stored for a longer time.  
To take out the radio.  
press knob (a), take the handle (b) and  
pull the unit out.  
Stations ................................................. 17  
Activating a Stored Station.................... 17  
13  
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Anti-theft coding  
To listen to the radio or cassette again,  
If the power supply to the radio is interrupted  
while the code system is switched on, you  
need to know the right code number.  
The radio will operate again as soon as you  
have entered the right code number.  
If you lose your radio passport and have  
forgotten your code number, you will not be  
able to restart the set after the power supply  
has been interrupted. In this case, your radio  
can only be reset in our central customer  
service workshop or in one of our service  
agencies abroad.  
The car radio comes standard with the code  
system deactivated.  
insert the set into the compartment until  
it stops and move the handle back to  
the front panel.  
If the anti-theft coding system is on while the  
power supply to the unit is interrupted (e.g.  
theft,disconnectingthecarbattery),thesetis  
electronically blocked. Then it may only be  
used again after the appropriate code num-  
ber has been entered (see car radio pass-  
port).  
If the coding system is off, your set will be  
ready for operation.  
If the coding system is on, proceed as des-  
cribed under “Restart following interruption  
of power supply”.  
Wrong code number entered  
Installation/connection  
It should not be possible for thieves to ascer-  
tain the code number by trial-and-error. This  
is why the set will be blocked for a certain  
period of time, if an incorrect code number is  
entered. In this case, “- - -” will appear in the  
display.  
This waiting time is 10 seconds after the first  
three attempts, and 1 hour following subse-  
quent attempts.  
The code system can only be switched on  
and off, if the radio is connected to perma-  
nent power.  
If you like to install your new car radio by  
yourself or add other audio components to  
the existing ones, then please read carefully  
the enclosed instructions on installation and  
connection.  
Do not connect the loudspeaker outputs to  
ground!  
Only use the accessory and replacement  
parts approved by Blaupunkt.  
Switching the code system on  
Precondition:  
The radio must be connected to permanent  
power.  
In order to switch the code system on:  
Turn the radio off.  
Hold down the preset buttons 1 and 4  
After 19 unsuccessful attempts, “OFF” will  
appear in the display and the set can no  
longer be restarted.  
simultaneously.  
Turn the radio on.  
“Cod” briefly appears before the radio  
begins to operate.  
Note:  
Release preset buttons 1 and 4.  
Keep you car radio passport with the code  
number in a safe place in order to avoid The code system is on.  
“unauthorized access” to your car radio.  
“Cod” will be briefly displayed each time the  
radio is turned on.  
14  
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Amplifier Section  
Restart following interruption of  
power supply  
Now it is essential to enter the correct code  
after the waiting period has elapsed (Cod in  
the display).  
If the radio is turned off before the waiting  
period has elapsed, then the waiting period  
restarts as soon as the radio is turned on  
again.  
ON/OFF  
To switch on the set:  
(Code system switched on)  
Turn button 1 clockwise.  
To switch off the set:  
Turn button 1 counterclockwise.  
Switch on the set.  
“Cod” will appear in the display.  
Briefly press preset button 1, “000” will  
appear in the display.  
Bass and Treble Control  
Enter the code number given in the  
Blaupunkt car radio passport:  
Switching the code system off  
Bass Control  
To adjust the low frequencies:  
Turn off the radio.  
Preset button 1 only allows to choose  
“0” or “1”. The first “0” will not be dis-  
played.  
Example: the code number is 0521.  
- Press preset button 1 until “000” ap-  
pears in the display.  
- Press preset button 2 five times,  
“500” appears in the display.  
- Press preset button 3 twice, “520”  
appears in the display.  
- Press preset button 4 once, “521”  
appears in the display.  
Press the AUD button 2.  
Display 9 gives you bas plus a num-  
ber between -7 and +7.  
Simultaneously press preset buttons 1  
and 4 and hold them down.  
Turn the set on.  
“Cod” will appear in the display.  
Press rocker switch < > 7 on the right  
to boost the bass frequencies or on the  
left for bass reduction. The number on  
the display 9 changes between -7 and  
+7.  
Enter the code number given in the  
Blaupunkt car radio passport and con-  
firm: See example “Restart following  
interruption …”.  
The code system is now deactivated.  
Treble Control  
To adjust the high frequencies:  
Press the AUD button 2 until tre and a  
number between -7 and +7 appears on  
the display.  
To confirm the code number:  
Press the upper part of the rocker  
switch  
.
Press rocker switch < > 7 on the right  
to boost the high frequencies or on the  
left for treble reduction. The number on  
display 9 changes between -7 and +7.  
Your car radio is now ready for operation.  
If three dashes appear again in the display,  
you have entered a wrong code number.  
15  
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Radio Section  
Balance and Fader Control  
If the < > rocker switch 7 is kept de-  
pressed on the right or the left, the sta-  
tion seek operation continues to be  
carried out quickly in the corresponding  
direction.  
Selecting the Desired Waveband  
Balance control  
To balance the sound level left/right:  
With this set you have free choice from the  
following wavebands:  
FM(ultra-shortwave;frequency-modulated),  
MW (medium wave), and LW (long wave).  
Press the AUD button 2 until bal is  
shown on the display.  
Press rocker switch < > 7 on the left  
or right to adjust the sound impression  
according to your personal preferences.  
Display 9 gives you a number bet-  
ween -9 and +9.  
Manual Tuning  
Selecting FM  
To manually tune in a station,  
Press the FM•T button 3 briefly. “FM”  
lights up on display 9 a.  
press the lo•m button 5 until “m” lights  
up on display 9 f.  
Youcannowmanuallysearchforthedesired  
Selecting MW or LW  
Fader control  
To balance the front/rear sound level:  
stations via the < > buttons 7.  
Press the M•L button 4 briefly. Either  
“MW” (for medium wave frequencies) or  
“LW” (for long wave frequencies) lights  
up on display 9 g, c.  
Adjusting the Station Seek  
Sensitivity  
Press the AUD button 2 until fad is  
shown on the display.  
Press rocker switch < > 7 on the left  
or right to adjust the sound impression  
according to your personal preferences.  
Display 9 gives you a number bet-  
ween -9 and +9.  
For changing between MW and LW:  
Press the M•L button 4 once again.  
With this set you can modify the automatic  
station seek sensitivity in all wavebands.  
If you want to search for strong stations only  
(reduced sensitivity):  
Tuning in a Station Automatical-  
ly  
Press the lo button 5 until “lo” lights  
up on display 9 e.  
Tuning in the following station  
Note:  
If you also want to search for weaker stations  
(increased sensitivity):  
Press the < > rocker switch 7 on the  
right. The car stereo automatically  
starts searching for the next station.  
If the rocker switch < > is kept depressed (on  
the left or right), the set quickly advances to  
the final values (+7/+9 or -7/-9) or to the “0”  
position.  
Press the lo button 5 once again; the  
“lo” indication on display 9 e goes out.  
Tuning in the previous station  
Press the < > rocker switch 7 on the  
left. The car stereo automatically starts  
searching for the previous station.  
16  
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CD Section  
Mono/Stereo Operation  
Automatically Storing the Stron-  
gest Stations  
Inserting the Disk  
If the lo•m button 5 is pressed longer than  
2 secs. but less than 8 secs., the set swit- (Travelstore)  
With this set you can play the normal stan-  
dard CDs without having to use an adapter:  
ches over to mono and the stereo symbol (h) WithTravelstore, youhavetheopportunityto  
Switch the set on.  
goes off.  
automatically store the 5 strongest FM stati-  
Insert the CD (label side up) without  
applying force.  
If the lo•m button 5 is pressed longer than ons of your respective area and have them  
2 secs. but less than 8 secs., the set swit- sorted according to their signal strength. The  
ches over to stereo and das Stereo-Symbol strongest station is then stored on preset  
The disk is automatically pulled into the unit  
to reach the playing position. Once it has  
been fed in, reproduction starts.  
(h) erscheint wieder im Display.  
button 1, the second strongest on preset  
When the car radio is switched on it is always button 2, etc. This feature is of special use  
while travelling.  
in stereo mode.  
Ejecting the Disk  
Press the FM•T button 3 for at least  
two seconds.  
Memorizing a Station  
To eject the disk, keep the  
• SRC  
The set searches for the strongest FM  
stations and memorizes them on the  
“T” storage level (Travelstore). Once  
the process is finished, the car radio  
automatically tunes in to the strongest  
station.  
button 6 depressed for at least 2 se-  
With each of the preset buttons : you can  
memorize one MW, one LW, and two FM  
stations. Display 9 a, b either indicates the  
FM storage level (“FM”) or the Travelstore  
level (“T”).  
conds.  
Never block or support the CD mechanism in  
any way, since this would damage the set.  
Title Selection/Cueing and Re-  
viewing  
To memorize a station:  
If required, it is also possible to manually  
storeastationontheTravelstorelevel. Ifless  
than 5 stations can be received, the free  
buttons are briefly represented by dashes.  
Tuneinthedesiredbroadcaster(seechapter  
Tuning in a Station Automatically/Manual  
Tuning) first. Now press one of the preset  
buttons : until the radio resumes play (ap-  
prox. 2 seconds). The station is now  
stored.  
After the CD has been inserted into the set,  
„Cd“ lights up on display 9. The display  
indication9 ichangestoT1(Track1)after  
approx. 5 seconds. You can skip or repeat  
titles by using the < > buttons 7.  
Activating a Stored Station  
If required, the memorized stations can be  
activated at a keystroke.  
Note:  
Cue (Fast forward):  
If you tune to an FM station already stored on  
the storing levels FM or Travelstore, the  
coresponding storing level and the preset  
button will flash in the display.  
For this, choose the FM or T storage  
level and briefly  
Keep depressed the right side of the  
rocker switch < > 7 for more than than  
1 second.  
press the respective preset button :.  
17  
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Programming with DSC  
Appendix  
Review (Fast backward):  
The car radio’s DSC function (Direct Soft- Technical Data  
Keep depressed the left side of the  
rocker switch < > 7 for more than  
than 1 second.  
ware Control) allows you to individually ad-  
Amplifier:  
Output power:  
just the seek tuning sensitivity for FM and  
4 x 8 watts acc. to DIN  
45324/3.1  
AM.  
Adjusting the seek tuning sensitivity:  
FM:  
Mix Function  
Press the lo•m 5 button longer than  
8 secs. The display gives you “lo” and a  
number between 1 and 3.  
Frequency  
response:  
Press the Mix button 5 to listen to the titles  
in an arbitrary order.  
When Mix is on, the “Mix” indication lights up  
on display 9 j.  
50 - 16 000 Hz (-3dB)  
20 - 20 000 Hz (-3 dB)  
Adjust the sensitivity using the rocker  
CD:  
Frequency  
response:  
switch < > 7.  
^
=
1
high sensitivity  
Changing the Audio Source with  
SRC  
^
=
3
normal sensitivity  
To store the adjustment,  
press th lo•m button once again.  
Preamp-Out:  
Output impedance  
150 Ω  
You can shift between the connected audio  
sources in the order CD Radio CD. To  
switch over to another audio source during  
CD operation,  
What to Do If Your Car Stereo  
Needs Service?  
press the SRC button 6.  
The set changes to radio operation.  
Whenever your car radio fails to operate  
properly and therefore requiring repair by an  
authorized service centre, please do not for-  
get to take the car radio passport along with  
you.  
Modifications reserved!  
18  
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