Operation Instructions
ACD 9431
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
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
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
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
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
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 ichangesto“T1”(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
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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