Blaupunkt Car Stereo System Bologna C50 User Manual

Radio / Cassette  
Bologna C50  
Carolina DJ50  
Colorado DJ50  
Düsseldorf C50  
Operating instructions  
 
2
6
4
1
3
7
8
9
5
11 10  
13 12  
16 15  
14  
3
 
OPERATING ELEMENTS  
1
button to unlock release  
panel  
Volume control  
ON button, switches the unit on/  
off, mute  
@
CD•C button, switches sound  
source between radio, tape deck  
and CD changer (if connected)  
2
3
4
RDS button, switches the RDS  
convenience features on/off  
Selects display for variable text  
5
BND button, selects the FM  
memory bank and the MW and  
LW wavebands (MW and LW do  
not apply to the Düsseldorf C50  
and the Colorado DJ50)  
TS, starts the TravelStore  
function  
6
7
Display  
button, displays the time  
DIS button, changes display  
contents  
8
9
MENU button, accesses the  
menu for basic settings  
button, opens the flip release  
panel  
:
;
Cursor button block  
OK button, confirms menu  
selections and starts the SCAN  
function  
<
=
EQ button, adjusts the  
equalizer  
AUD button, adjusts bass, treble,  
balance and fader  
LD, switches the Loudness  
function on/off  
>
?
1 to 6 station buttons  
TRAF button, switches traffic in-  
formation standby on/off  
26  
 
CONTENTS  
Cassette eject ............................... 38  
Changing cassette sides ............... 38  
Skipping music tracks (S-CPS) ..... 38  
Repeating music tracks ................. 38  
Scanning all of the cassette tracks  
(SCAN) ......................................... 39  
Switching the display mode ........... 39  
Fast forward/rewind ...................... 39  
Interrupting playback (Pause) ........ 39  
Switching Radio monitor on/off ...... 39  
Blank skip ..................................... 40  
Tape equalization ........................... 40  
Dolby* B noise reduction ............... 40  
Traffic information during cassette  
Important information ............ 28  
Traffic safety .................................. 28  
Installation ..................................... 28  
Accessories .................................. 28  
Guarantee ..................................... 28  
International telephone information. 28  
Removable front panel........... 29  
Theft protection system ................. 29  
Removing the operating panel........ 29  
Replacing the operating panel ....... 29  
Switching the car audio  
system on/off......................... 30  
Volume control ....................... 31  
Adjusting the power-on volume ...... 31  
playback........................................ 40  
Mute ............................................. 31 CD changer operation............ 41  
Mute during telephone operation ... 31  
Adjusting the volume of the beep ... 32  
Starting CD changer operation ...... 41  
Selecting CDs............................... 41  
Selecting tracks ............................ 41  
Audible fast forward/reverse  
(CUE/REVIEW)............................. 41  
Switching the display mode ........... 41  
Repeating individual tracks or entire  
CDs (REPEAT).............................. 41  
Playing tracks in random order  
(MIX) ............................................. 41  
Scanning all of the tracks on all of  
the CDs (SCAN) ........................... 42  
Interrupting playback (PAUSE) ...... 42  
Radio operation...................... 32  
Switching to the radio mode .......... 32  
Special RDS functions (AF, REG) .. 32  
Selecting wavebands/memory  
banks ............................................ 33  
Tuning into radio stations ............... 33  
Adjusting seek tuning sensitivity..... 33  
Storing radio stations..................... 34  
Storing radio stations automatically  
(TravelStore).................................. 34  
Recalling stored radio stations ....... 34  
Scanning the radio stations within re-  
ception range (SCAN) ................... 34  
Adjusting the scan time ................. 35  
Program Type (PTY) ...................... 35  
Optimising radio reception............. 36  
Selecting the display of variable text 36  
Clock ...................................... 43  
Adjusting the tone and  
balance/fader ........................ 44  
Switching Loudness on/off.... 44  
Equalizer ................................ 45  
External audio sources .......... 47  
Specifications ........................ 47  
Installation instructions........ 180  
27  
Traffic information.................. 37  
Tape deck operation .............. 38  
Starting tape deck operation.......... 38  
 
IMPORTANT INFORMATION  
Important information  
system functions from the steering  
wheel.  
Before you use your car audio system  
for the first time, please take the time to  
read the instruction manual carefully  
and make yourself familiar with the au-  
dio equipment. Keep this manual handy  
in your car for future reference.  
Amplifiers  
All Blaupunkt amplifiers can be used.  
CD changers  
The following CD changers can be con-  
nected directly: CDC A 06, CDC A 08,  
CDC A 072 and IDC A 09.  
Traffic safety  
Traffic safety is always the top  
priority. Do not attempt to operate  
your car audio system unless the traf-  
fic conditions permit. Familiarize  
yourself with the equipment before  
you start driving.  
The CDC A 05 and CDC A 071 can be  
connected with an adapter cable (Blau-  
punkt no. 7 607 889 093).  
The CDC A 08 CD changer is included  
with the Colorado DJ50 and the Caroli-  
na DJ50.  
Always make sure that you are still  
able to hear any warning signals  
coming from outside the vehicle,  
such as police or fire engine sirens,  
at all times.  
As a result, please always select a  
moderate volume for playing your car  
audio system while you are driving.  
Guarantee  
The scope of the guarantee is deter-  
mined by the laws in the country where  
the unit is purchased.  
Regardless of the legal guarantee reg-  
ulations, Blaupunkt affords a 12-month  
guarantee.  
If you have any questions about the  
guarantee, please contact your author-  
ised Blaupunkt dealer. Your cash regis-  
ter receipt is a valid guarantee coupon.  
Installation  
If you would like to install your new car  
stereo yourself or add other audio com-  
ponents to the existing ones, then  
please read the instructions on installa-  
tion and connection at the end of this  
manual carefully.  
International telephone  
information  
Have you got any questions on the  
operation of this equipment or do you  
require more information?  
Accessories  
Use only Blaupunkt-approved accesso-  
ries.  
Give us a call!  
You will find the international telephone  
and fax numbers on the last page of this  
manual.  
Remote control unit  
The optionally available RC 08 infrared  
remote control unit allows you to con-  
veniently operate the most important  
28  
 
REMOVABLE FRONT PANEL  
When you remove the operating  
panel, the car audio system will au-  
tomatically switch off.  
Removable front panel  
Theft protection system  
To prevent your car audio system from  
being stolen, it has been equipped with  
a removable front panel (flip release  
panel). Without the front panel, the car  
audio system is useless to thieves.  
Protect your car audio system against  
All of the settings will remain  
stored.  
A cassette tape inserted into the  
car audio system will remain in  
place.  
theft and take the operating panel with Replacing the operating panel  
you each time you leave the vehicle.  
Never leave the release panel in the car,  
even if it is well hidden. The panel has  
Slide the operating panel into the  
guides from left to right.  
Press the left-hand side of the pan-  
el onto the car audio system until it  
locks into place.  
been designed so that it is easy to re-  
move.  
Notes:  
Do not drop the release panel.  
Do not expose the release panel to  
direct sunlight or other heat sourc-  
es.  
Store the release panel in the case  
supplied.  
Removing the operating panel  
Note:  
Press  
The release panel will unlock.  
1.  
While replacing the panel, be care-  
ful not to press on the display.  
If the car audio system was on when  
you removed the panel, it will automat-  
ically switch back on using the same  
settings when you replace it (radio, tape  
deck or CD changer).  
1
First pull the operating panel for-  
ward and then slide it to the left to  
remove it.  
29  
 
SCHWITCHING ON/OFF  
Switching the car audio system on  
by inserting a cassette tape  
Switching the car audio  
system on/off  
The car audio system can be switched  
on/off in a number of ways.  
If the system is switched off and there  
is no cassette in the tape deck,  
press 9.  
The flip release panel will open.  
Switching the car audio system on/  
off with the ignition  
Insert the cassette into the tape  
deck with the open side facing to-  
wards the right until you feel resist-  
ance. Do not use force.  
If the car audio system has been con-  
nected to your vehicle ignition, it is pos-  
sible to switch it on and off with the igni-  
tion.  
The cassette will be pulled automatically  
into the tape deck.  
Do not attempt to assist or prevent this  
process.  
You can also switch the car audio sys-  
tem on when the ignition is switched off.  
Press down and hold 3 until the  
car audio system switches on.  
Press the operating panel closed  
gently until you feel it click into  
place.  
Note:  
To prevent the car battery from running  
down, the radio will switch off again au-  
tomatically after one hour.  
The audio system will switch on. Tape  
playback will begin.  
Switching the car audio system on/  
off with the removable front panel  
Remove the release panel.  
The car audio system will switch off.  
Replace the release panel.  
The car audio system will switch on  
again. The last settings used (radio, tape  
deck or CD changer) will be activated.  
Switching the car audio system on/  
off by pressing 3  
Press 3 to switch the car audio  
system on.  
Press 3 for longer than 2 seconds  
to switch the car audio system off  
again.  
The system will then switch off.  
30  
 
VOLUME CONTROL  
Mute  
Volume control  
You can reduce the volume of the car  
audio system immediately (mute).  
The car audio system volume can be  
adjusted to levels from 0 (off) to 66 (max-  
imum).  
Press 3 briefly.  
To increase the volume, turn the  
volume control knob 2 to the  
right.  
“MUTE” will appear in the display.  
Selecting the mute level  
It is possible to select the mute level.  
Press MENU 8.  
To decrease the volume, turn the  
volume control knob 2 to the left.  
Press : repeatedly until “MUTE  
Adjusting the power-on volume  
It is possible to adjust the volume at  
which the car audio system switches on.  
LEVEL” appears in the display.  
Press  
: to select the mute  
level.  
Press MENU 8.  
Once you have made your selec-  
tion, press MENU 8 or OK ;.  
Press : repeatedly until “ON  
VOLUME” appears in the display.  
Mute during telephone  
operation  
Press  
: to adjust the vol-  
ume.  
If your car audio system has been  
equipped with a mobile telephone, it will  
automatically switch to mute when you  
use the phone. This will not work un-  
less the mobile phone is connected to  
the car audio system as described in  
the installation instructions.  
If a traffic announcement is received  
while the phone is in use and traffic in-  
formation priority has been activated,  
you will hear the traffic announcement.  
For more information, refer to the sec-  
tion on “Traffic information reception”.  
The car audio system will be muted to  
the mute level selected.  
If you adjust this setting to “0”, the car  
audio system will switch on at the vol-  
ume used before it was switched off.  
Warning of serious injury  
If the power-on volume is set to the  
maximum level, it may be extremely  
loud when the car audio system is  
switched on.  
If the power-on volume is set to 0 and  
the car audio system was played at  
maximum volume before it was  
switched off, it may be extremely loud  
when the car audio system is  
switched back on. This could result  
in serious injury to your ears!  
Once you have selected the de-  
sired settings, press MENU 8 or  
OK ;.  
31  
 
VOLUME CONTROL  
RADIO OPERATION  
Adjusting the volume of the  
beep  
For a number of functions you will hear  
a beep if you press a key for longer than  
2 seconds, e.g. if you want to store a  
radio station on a station preset. You can  
adjust the volume level of this beep.  
Radio operation  
This car audio system has been  
equipped with an RDS radio receiver.  
Many FM radio stations now transmit  
the RDS signal, which contains such  
other information as the station name  
and the program type (PTY) along with  
their regular station programming.  
As soon as the car radio receiver de-  
tects the station name, it will appear in  
the display. It is also possible to display  
the program type. For more information,  
refer to the section on “Program Type  
(PTY)”.  
Press MENU 8.  
Press : repeatedly until  
“BEEP” appears in the display.  
Press  
: to adjust the volume.  
“0” means the beep volume is off,  
“9” means the beep volume is ad-  
justed to the maximum volume.  
Switching to the radio mode  
If you are currently using the tape deck  
or CD changer,  
Once you have adjusted the set-  
tings, press MENU 8 or OK ;.  
press CD•C @ repeatedly until  
“RADIO” appears in the display.  
Special RDS functions (AF, REG)  
The special RDS functions for AF (Al-  
ternate Frequency) and REG (Region-  
al) improve the performance of your car  
radio.  
AF. If this RDS function is activated,  
the car radio continuously searches  
in the background for the frequency  
with the best reception for the sta-  
tion you have tuned into.  
REG. A number of radio stations  
broadcast different regional pro-  
gramming at different times of the  
day. Use REG to prevent your car  
radio from tuning into alternate fre-  
quencies which might have differ-  
ent programming.  
32  
 
RADIO OPERATION  
Note:  
Tuning into radio stations  
You can tune into radio stations in a  
number of different ways.  
It is necessary to activate/deactivate  
REG in the menu.  
Switching REG on/off  
Automatic seek tuning  
Press MENU 8.  
Press or :.  
Press : repeatedly until “REG”  
appears in the display. “OFF” or  
“ON” will appear next to “REG”.  
The radio will tune into the next availa-  
ble station within reception range.  
Manual station selection  
Press or : to switch REG off  
You can also tune into radio stations  
manually.  
or on.  
Press MENU 8 or OK ;.  
Press or :.  
Switching RDS functions on/off  
Note:  
To take advantage of the RDS  
functions for AF and REG, press  
RDS 4.  
You cannot use manual tuning unless  
the RDS functions are deactivated.  
Paging through the broadcasting  
network (for FM only)  
When the RDS functions have been  
activated, “RDS” will light up as a sym-  
bol in the display. When you activate  
RDS functions, “REG ON” or “REG  
OFF” will appear briefly in the display.  
If a radio broadcasting network has  
more than one station, you can page  
through the “station network”.  
Press or : to tune into the  
Selecting wavebands/memory  
banks  
next station in the network.  
Note:  
Using this car audio system, you can  
tune into radio stations on the FM, MW  
and LW (AM) wavebands (MW and LW  
do not apply to the Düsseldorf C50 and  
the Colorado DJ50). There are three  
memory banks for the FM waveband  
and one memory bank each for MW and  
LW.  
To take advantage of this function, you  
must have activated the RDS functions.  
It is only possible to tune into those sta-  
tions which have been received once  
before already. To do this, use the SCAN  
or TravelStore function.  
Adjusting seek tuning sensitivity  
You can store six stations in each of  
these memory banks.  
It is possible to adjust the sensitivity of  
the seek tuning function to tune the ra-  
dio into stations with strong reception  
signals only, or to those with weaker  
reception signals as well.  
To switch between the different FM  
memory banks or wavebands,  
press BND / TS 5.  
33  
 
RADIO OPERATION  
Note:  
Press MENU 8.  
Any stations stored previously in the  
memory bank will be deleted.  
Press : repeatedly until  
“SENS” appears in the display.  
Press and hold down BND / TS 5  
Press :.  
for longer than two seconds.  
The currently selected setting will ap-  
pear in the display. “SENS HI6” indicates  
the highest level of sensitivity, “SENS  
LO1” the lowest. If you select “SENS  
LO”, “lo” will light up in the display.  
The storing process will begin.  
“TRAVEL-STORE” will appear in the  
display. After the stations have been  
stored, the radio will automatically be-  
gin to play the station stored on preset  
button 1 for the FMT memory bank.  
Press  
sensitivity.  
: to select the desired  
Recalling stored radio stations  
Once you have made your selec-  
tion, press MENU 8 or OK ;.  
Select the desired station memory  
bank.  
Storing radio stations  
Press the station button 1 to 6 >  
on which you have stored the de-  
sired radio station.  
Storing radio stations manually  
Select the desired memory bank  
FM1, FM2, FMT or either MW or  
LW (MW and LW do not apply to  
the Düsseldorf C50 and the Colo-  
rado DJ50).  
Scanning the radio stations  
within reception range (SCAN)  
You can scan all of the radio stations  
currently within your reception range.  
The scan time can be set in the menu  
to play from five to 30 seconds.  
Tune the radio into the desired sta-  
tion.  
Press and hold down one of the  
station preset buttons 1 to 6 > on  
which you want to store the radio  
station for longer than two seconds.  
Starting SCAN  
Press and hold down OK ; for  
longer than two seconds.  
SCAN will begin. “SCAN” will appear  
briefly in the display, followed by the  
flashing station name or frequency of  
the radio station currently being  
scanned.  
Storing radio stations  
automatically (TravelStore)  
You can automatically store the six ra-  
dio stations with the strongest reception  
in your current reception area (for FM  
only). These stations will be stored in  
the FMT memory bank.  
34  
 
RADIO OPERATION  
selected, it will automatically switch from  
the station playing or from the tape deck  
or CD changer mode to that station.  
Stopping the SCAN function,  
continuing to listen to the radio  
station scanned  
Press OK ;.  
Switching PTY on/off  
SCAN will end and the last station  
scanned will continue playing.  
Press MENU 8.  
Press : repeatedly until “PTY  
ON” or “PTY OFF” appears in the  
display.  
Adjusting the scan time  
Press MENU 8.  
Press or : to switch this  
Press : repeatedly until  
“SCANTIME” appears in the dis-  
play.  
function either on or off.  
PTY will light up in the display when this  
function has been activated.  
Press  
as desired.  
: to set the scan time  
Press MENU 8 or OK ;.  
Selecting the program type and  
starting seek tuning  
Once you have made your selec-  
tion, press MENU 8 or OK ;.  
Press or :.  
Note:  
The scan time selected also applies to  
the SCAN function for tape deck and  
CD changer operation.  
The currently selected program type will  
appear in the display.  
If you would like to select a different  
program type, press or  
:
Program Type (PTY)  
while the program type is on dis-  
play to switch to another program  
type.  
In addition to the radio station name, a  
number of FM stations transmit informa-  
tion on the type of program they broad-  
cast. This car radio has been equipped  
to receive and display this information.  
OR  
Press one of the station preset but-  
tons from 1 to 6 > to select the  
program type stored on that partic-  
ular station button.  
These program types can include:  
CULTURE  
SPORT  
ROCK  
TRAVEL  
NEWS  
JAZZ  
POP  
The program type selected will appear  
briefly in the display.  
CLASSICS  
Using the PTY function, you can select  
the radio station according to the type  
of program being broadcast.  
Press or : to start seek tun-  
ing.  
The next radio station broadcasting the  
program selected will begin to play.  
As soon as the radio registers a radio  
station broadcasting the program type  
35  
 
RADIO OPERATION  
Note:  
Selecting the display of variable  
text  
If the radio is not able to find a station  
broadcasting the program type select-  
ed, you will hear a beep and “NO PTY”  
will appear briefly in the display. The sta-  
tion selected previously will then resume  
play.  
A number of radio stations use the RDS  
signal to transmit advertising or other  
texts in place of their station names.  
These “variable texts” will appear in the  
display. It is possible to adjust your ra-  
dio so that these “variable texts” do not  
appear.  
Storing the program types on the  
station preset buttons  
Press and hold down RDS 4 until  
Press or : to select the pro-  
“NAME FIX” appears in the display.  
gram type.  
To have the “variable texts” dis-  
played again, press and hold down  
RDS 4 until “NAME VAR” appears  
in the display.  
Press the desired station preset  
button 1 to 6 > for longer than two  
seconds.  
The program type selected will then be  
stored on the station preset button 1 to  
6 > pressed.  
Optimising radio reception  
Interference-related treble cut  
(HICUT)  
The HICUTfunction improves reception  
when reception begins to deteriorate. If  
interference occurs, then the treble and  
the noise is cut automatically.  
Switching HICUT on/off  
Press MENU 8.  
Press : repeatedly until “HI-  
CUT” appears in the display.  
Press or : to switch HICUT  
on or off.  
“HICUT 0” indicates that the function is  
switched off; when “HICUT 1” appears,  
the treble will be cut.  
Press MENU 8 or OK ;.  
36  
 
TRAFFIC INFORMATION  
Adjusting the volume for traffic  
announcements  
Traffic information  
Switching traffic information  
priority on/off  
Press MENU 8.  
Press : repeatedly until “TA  
Press TRAF ?.  
VOLUME” appears in the display.  
Traffic information priority is activated  
when the traffic congestion symbol lights  
up in the display.  
Press  
: to adjust the traffic  
announcement volume.  
Once you have adjusted the set-  
ting, press MENU 8 or OK ;.  
Note:  
You will hear a warning beep  
if you leave the reception area of  
the traffic information station you  
are tuned into.  
if you are listening to a cassette  
tape or a CD, leave the reception  
area of the traffic information sta-  
tion you are tuned into and the  
seek tuning function is unable to  
find another traffic information sta-  
tion.  
if you switch from a traffic informa-  
tion station to a station which does  
not broadcast traffic information.  
Then either switch off traffic information  
priority or switch to a different traffic in-  
formation station.  
37  
 
TAPE DECK OPERATION  
Tape deck operation  
Note:  
Once the tape reaches the end, it will  
automatically switch to the other side  
(autoreverse).  
Starting tape deck operation  
If there is no cassette in the tape  
deck,  
Skipping music tracks (S-CPS)  
press  
The flip release panel will open.  
9.  
To select the next or other following  
tracks, press : once or as  
many times as required.  
Insert a cassette into the tape deck  
with the open side facing towards  
the right.  
“CPS FF” and the number of tracks you  
want to skip will appear in the display.  
The tape will fast forward to the next or  
following track as selected.  
Close the operating panel.  
Cassette playback will begin with the  
side facing upwards.  
To restart the current track or select  
one of the previous tracks, press  
: once or as many times as re-  
quired.  
If there already is a cassette insert-  
ed into the tape deck,  
press CD•C @ repeatedly until  
“CASSETTE” appears in the dis-  
play.  
“CPS FR” and the number of tracks you  
want to skip will appear in the display.  
The tape will rewind to the beginning of  
the current track or to one of the previ-  
ous track as selected.  
Playback will resume on the side of the  
tape which was played last.  
Cassette eject  
Repeating music tracks  
Press  
9.  
Press 4 RPT >.  
The flip release panel will open and the  
cassette will eject.  
The track currently playing will repeat.  
RPT will light up in the display. When  
the tape rewinds back to the beginning  
of the track, “REPEAT TRCK” will ap-  
pear in the display.  
Remove the cassette and close the  
operating panel.  
OR  
To stop repeating the track, press  
4 RPT > again.  
Insert a different cassette.  
Changing cassette sides  
Playback will resume normally. RPT will  
disappear from the display.  
To switch from SIDE A to SIDE B  
and vice versa, press 2  
>.  
38  
 
TAPE DECK OPERATION  
Scanning all of the cassette  
tracks (SCAN)  
Fast forward/rewind  
Fast forward  
Press OK ; for longer than two  
Press :.  
“FORWARD” will appear in the display.  
seconds.  
“CAS SCAN” will appear in the display.  
Scanning will begin with the next track  
in ascending order.  
Fast rewind  
Press :.  
“REWIND” will appear in the display.  
To stop the SCAN function, press  
OK ; again.  
Stopping fast forward/rewind  
Press OK ;.  
The track currently scanned will contin-  
ue playing.  
Playback will resume normally.  
Notes:  
It is possible to adjust the scan  
time. For more information, read  
the section on “Adjusting the scan  
time” in the chapter on “Radio Op-  
eration”.  
Note:  
During fast forward/rewind, it is also  
possible to listen to the last radio sta-  
tion you tuned into. Switch on “Radio  
monitor”.  
To be able to use the S-CPS, RPT  
and SCAN functions, there has to  
be a blank space of at least three  
seconds between the tracks on the  
cassette.  
Interrupting playback (Pause)  
To interrupt cassette playback,  
press 3 >.  
Playback will be interrupted, “CAS  
PAUSE” will appear in the display.  
Switching the display mode  
Press 3 > again to end the  
To switch the display between the  
pause.  
tape side and the clock, press  
DIS 7 for longer than two sec-  
onds once or repeatedly as re-  
/
Switching Radio monitor on/off  
Press MENU 8.  
quired, until the desired information  
appears in the display.  
Press : repeatedly until “RM  
ON” or “RM OFF” appears in the  
display.  
Press or : to switch Radio  
monitor on or off.  
Press MENU 8 or OK ;.  
39  
 
TAPE DECK OPERATION  
Blank skip  
Traffic information during  
cassette playback  
It is possible to automatically skip blank  
portions of the tape which are longer  
than ten seconds. Simply activate the  
Blank skip function.  
If you activate the “TRAFFIC” function  
(traffic information priority), your car  
audio system will always be on standby  
for traffic information. If a traffic an-  
nouncement is received, cassette play-  
back will be interrupted and you will hear  
the message. For more information, re-  
fer to the section on “Traffic information”.  
Switching Blank skip on/off  
Press MENU 8.  
Press : repeatedly until  
“BLANK SKIP” appears in the dis-  
play.  
Press or : to switch the  
Blank skip function on or off.  
Press MENU 8 or OK ;.  
Tape equalization  
When you play a tape marked “metal”  
or “CrO2”, it is advisable to set the tape  
equalization to “MTL ON”.  
To adjust this setting, press  
1 MTL >.  
“MTL ON” or “MTL OFF” will appear in  
the display briefly.  
Dolby* B noise reduction  
When you play a cassette which has  
been recorded using Dolby B noise re-  
duction, you should switch the Dolby  
function on.  
Press 6  
>.  
When the Dolby function is active,  
will light up in the display.  
* The Dolby noise reduction system is manufactured un-  
der licence by Dolby Laboratories Licensing Corporation.  
The word Dolby and the double-D symbol are trademarks  
of Dolby Laboratories Licensing Corporation.  
40  
 
CD CHANGER OPERATION  
Switching the display mode  
CD changer operation  
The CDC A 08 CD changer is included To switch the display between the  
with the Colorado DJ50 and the Caroli-  
na DJ50. All of the CD changers listed  
in the section on “Accessories” can be  
used in combination with the Bologna  
C50 or Düsseldorf C50.  
track number and elapsed playing  
time or the track number and time,  
or track number and CD number,  
press  
/ DIS 7 for longer than  
two seconds once or repeatedly as  
required, until the desired informa-  
tion appears in the display.  
Note:  
For information on how to handle CDs,  
how to insert CDs into the changer and  
how to operate the changer, please re-  
fer to the instructions included with the  
CD changer.  
Repeating individual tracks or  
entire CDs (REPEAT)  
To repeat the track currently play-  
ing, press 4 RPT > briefly.  
Starting CD changer operation  
“REPEAT TRCK” will appear briefly in  
the display, RPT will light up in the dis-  
play.  
Press CD•C @ repeatedly until  
“CHANGER” appears in the dis-  
play.  
To repeat the entire CD currently  
playing, press 4 RPT > again.  
Playback will begin with the first CD the  
changer detects in the magazine.  
“REPEATDISC” will appear briefly in the  
display, RPT will light up in the display.  
Selecting CDs  
Stopping the REPEAT function  
To select a CD up or down in the  
magazine, press or : the  
required number of times.  
To stop the REPEAT function for  
the current track or CD, press  
4 RPT > repeatedly until  
Selecting tracks  
“REPEAT OFF” appears in the dis-  
play and RPT no longer lights up.  
To select a different track on the  
CD currently playing, press or  
: the required number of times.  
Playing tracks in random order  
(MIX)  
Audible fast forward/reverse  
(CUE/REVIEW)  
To start Cue or Review,  
To play the tracks of the currently  
selected CD in random order,  
press 5 MIX > briefly.  
press and hold down either or  
: until the process begins.  
“MIX CD” will appear briefly in the dis-  
play, MIX will light up in the display.  
41  
 
CD CHANGER OPERATION  
To play the tracks of all of the CDs  
in random order, press 5 MIX >  
again.  
Interrupting playback (PAUSE)  
Press 3 >.  
“PAUSE” will appear in the display.  
“MIX ALL” will appear briefly in the dis-  
play, MIX will light up in the display.  
Stopping PAUSE  
Press 3 > during the pause.  
Playback will resume.  
Note:  
The CDC A 08 and the IDC A 09 are  
also able to play all of the CDs in the  
changer in random order. The other CD  
changers first play all of the tracks on a  
CD in random order and then select the  
next CD in the changer.  
Stopping the MIX function  
To stop the MIX function, press 5  
MIX > repeatedly until “MIX OFF”  
appears briefly in the display and  
MIX no longer lights up.  
Scanning all of the tracks on all  
of the CDs (SCAN)  
To scan all of the tracks on all of  
the CDs in ascending order, press  
OK ; for longer than two sec-  
onds.  
“SCAN” will appear in the display.  
Stopping the SCAN function  
To stop the SCAN function, press  
OK ; briefly.  
The track currently scanned will contin-  
ue playing.  
Note:  
It is possible to adjust the scan time. For  
more information, read the section on  
“Adjusting the scan time” in the chapter  
on “Radio Operation”.  
42  
 
CLOCK  
Activating the clock for display  
when the car audio system is  
switched off  
You can have the clock displayed when  
the ignition is switchedon, but the audio  
systemis switched off.  
CLOCK  
Displaying the clock briefly  
To display the time briefly, press  
/ DIS 7 briefly.  
Setting the time  
Press MENU 8.  
“MENU” will appear in the display.  
To set the time, press MENU 8.  
“MENU” will appear in the display.  
Press : repeatedly until “CLK  
DISP OFF” or “CLK DISP ON” ap-  
pears in the display.  
Press : until “CLOCKSET” ap-  
pears in the display.  
Press :.  
The time will appear in the display. The  
minutes will flash and can be altered.  
Press or : to switch the clock  
display on or off.  
Once you have made the setting,  
press MENU 8 or OK ;.  
Press or : to alter the min-  
utes.  
Displaying the time briefly when  
the car radio is switched off  
To display the time briefly when the car  
radio is switched off,  
Once you have altered the minutes,  
press :. The hours will begin to  
flash.  
Press or : to alter the hours.  
press  
/ DIS 7.  
Once you have set the time, press  
MENU 8 or OK ; twice.  
The time will then appear in the display  
for eight seconds.  
Selecting the 12/24-hour time  
display mode  
Press MENU 8.  
“MENU” will appear in the display.  
Press : repeatedly until “24 H  
MODE” or “12 H MODE” appears  
in the display.  
Press or : to switch the dis-  
play mode.  
Once you have selected the mode,  
press MENU 8 or OK ;.  
43  
 
TONE AND BALANCE/FADER  
Adjusting the tone and  
balance/fader  
Switching Loudness on/off  
Loudness boosts the bass and treble  
when the volume is low to create a more  
natural sound.  
Adjusting the bass  
To adjust the bass, press AUD / LD  
=.  
Press AUD / LD = for approx. two  
seconds.  
“BASS” will appear in the display.  
LD will light up in the display to indicate  
that Loudness is active.  
Press or : to alter the bass.  
Adjusting Loudness intensity  
Adjusting the treble  
The Loudness boost can be set in  
stages from one to six.  
To adjust the treble, press AUD /  
LD =.  
Press MENU 8.  
“BASS” will appear in the display.  
“MENU” will appear in the display.  
Press : until “TREBLE” ap-  
pears in the display.  
Press : repeatedly until  
“LOUDNESS” appears in the dis-  
play.  
Press or : to alter the treble.  
Adjusting the balance  
Press or : to alter the Loud-  
To adjust the balance, press AUD /  
LD =.  
ness setting.  
Once you have completed adjust-  
ing the settings, press MENU 8 or  
OK ;.  
“BASS” will appear in the display.  
Press : until “BALANCE” ap-  
pears in the display.  
Press or : to alter the bal-  
ance.  
Adjusting the fader  
To adjust the fader, press AUD / LD  
=.  
“BASS” will appear in the display.  
Press : until “FADER” appears  
in the display.  
Press or : to alter the fader.  
44  
 
EQUALIZER  
Switching the equalizer on/off  
Equalizer  
This car audio system is equipped with To switch the equalizer on, press  
a parametric 2-band equalizer. For  
“LOW EQ” the gain can be set to a fre-  
quency between 60 to 100 Hz. For  
“HIGH EQ” the gain can be set to a fre-  
quency between 10000 and 17500 Hz.  
As a result, it is possible to significantly  
influence the in-vehicle acoustics.  
and hold down EQ < until EQ  
lights up in the display and “EQ  
ON” appears briefly.  
To switch the equalizer off, press  
and hold down EQ < until EQ no  
longer lights up in the display and  
“EQ OFF” appears briefly.  
Notes on making equalizer  
settings  
We recommend that you use a cassette  
or CD (if a CD changer is connected)  
you are familiar with to make the set-  
tings.  
Adjusting the equalizer  
Press EQ <.  
“LOW EQ” will appear in the display.  
Press or : to select either  
“LOW EQ” or “HIGH EQ”.  
Before you set the equaliser, set bass,  
treble, balance and fader to “0” and de-  
activate the Loudness function. For  
more information on how to do this, re-  
fer to the section on “Tone and balance/  
fader”.  
Press or : to adjust the  
gain.  
Press or : to select the fre-  
quency range.  
To select the next frequency, press  
OK ; first and then :.  
Now listen to the cassette or CD  
you have selected.  
Once you have completed making  
all of the necessary adjustments,  
press EQ <.  
Evaluate the sound according to  
your own personal preferences.  
Now refer to “Sound impression” in  
the following table.  
Make the settings for the equalizer  
as described under “What to do”.  
45  
 
EQUALIZER  
Assistance in setting your equaliser  
Start to make your settings in the treble and end it with the bass range.  
Frequency range Sound  
impression/problem  
What to do  
Notes  
Bass  
Bass reproduction Boost the bass Avoid distortion.  
60 to 100 Hz  
too weak  
with “LOW EQ”.  
Frequency: 60 to  
100 Hz.  
Adjust the gain  
carefully.  
Gain: +4 to +6 dB.  
Treble  
10000 to  
17500 Hz  
Lifeless reproduc-  
tion.  
Boost treble  
range with  
Avoid a piercing  
type of tone.  
Strong hissing  
Lack of transparen- “HIGH EQ”.  
cy.  
Instruments do not to 17500 Hz.  
sparkle.  
Gain: +2 to +4 dB.  
Frequency: 10000 sound unpleas-  
ant.  
Selecting the spectrometer type  
Adjusting the spectrometer  
The spectrometer in the display uses Press MENU 8.  
symbols to temporarily indicate what  
“MENU” will appear in the display.  
adjustments are made to the volume,  
the tone and balance/fader and the  
equalizer settings.  
Press : repeatedly until “EQ  
DISPLAY” appears in the display.  
Press or : to select either  
“SPECTRUM 1”, “SPECTRUM 2”  
or “EQ DISP OFF”.  
If no adjustments are being made to the  
system, the spectrometer displays the  
output level of the car radio.  
You can select the type of spectrome-  
ter you want displayed in the menu.  
There are two different types available.  
Once you have completed adjust-  
ing the settings, press MENU 8 or  
OK ;.  
46  
 
EXTERNAL AUDIO SOURCES  
External audio sources  
SPECIFICATIONS  
Specifications  
In place of the CD changer it is also  
possible to connect other external au-  
dio sources to the line output. These  
sources can include a portable CD play-  
er, MiniDisc player or MP3 player.  
You must activate theAUX output in the  
menu.  
Amplifier  
Output power: 4 x 25 watts RMS  
acc. to DIN 45 324  
at 14.4 V  
4 x 40 watts max.  
power  
If you would like to connect another ex-  
ternal audio source, you will require an  
adapter cable. This adapter cable can  
be ordered from any authorized Blau-  
punkt dealer.  
Tuner  
Wavebands:  
FM  
MW :  
LW  
:
87.5 - 108 MHz  
531 - 1602 kHz  
153 - 279 kHz  
:
Switching the AUX output on/off  
Press MENU 8.  
(MW and LW do not apply to the Düs-  
seldorf C50 and the Colorado DJ50)  
“MENU” will appear in the display.  
FM frequency response:  
30 - 15000 Hz  
Press : repeatedly until “AUX-  
IN-1 OFF” or “AUX-IN-1 ON” ap-  
pears in the display.  
Tape deck  
Frequency response:  
30 - 18000 Hz  
Press or : to switch AUX on  
or off.  
Once you have completed your se-  
lections, press MENU 8 or OK  
;.  
Preamp Out  
4 channels:  
2 V  
Note:  
If theAUX input has been switched ON,  
you can select it by pressing CD•C @.  
Subject to technical modification!  
47  
 
Service-Nummern / Service numbers / Numéros du service après-  
vente / Numeri del servizio di assistenza / Servicenummers /  
Telefonnummer för service / Números de servicio / Número de  
serviço  
Tel.:  
Fax:  
Deutschland  
Belgique / België  
France  
Nederland  
Great Britain  
Danmark  
Sverige  
0 18 05 00 02 25  
0 25 25 54 44  
014 010 70 07  
023 565 63 48  
018 958 383 66  
44 89 83 60  
0 51 21 49 40 02  
0 25 25 54 48  
014 010 73 20  
023 565 63 31  
018 958 383 94  
44 89 86 44  
08 750 15 00  
66 81 70 00  
08 750 18 10  
66 81 71 57  
Norge  
Suomi  
Österreich  
094 359 91  
01-6 10 39-0  
015 762 241  
094 359 92 36  
01-6 10 39-391  
015 769 473  
âeská republika  
USA  
Singapore  
Slovensko  
026 130 04 41  
800-266 25 28  
006 535 054 47  
042 175 873 212  
026 130 05 14  
708-681 71 88  
006 535 053 12  
042 175 873 229  
Blaupunkt-Werke GmbH  
Bosch Gruppe  
04/00 TRO  
K7/VKD 8 622 402 137  
 

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