Page 147 of 425
146 Controls in detail
Audio system
Operating and display elements 
         
        
        
     
        
        Page 148 of 425
147 Controls in detail
Audio system
ItemPage
1CD mode selector158
2Manual tuning
(radio)151
Fast forward/reverse 
(cassette, CD)156, 160
Speed dialing memory 
(telephone)165
3Radio mode selector151
4Display panel
Cassette compartment 
behind display panel
ItemPage
5Alpha-numeric keypad
Band selection, 
station buttons (radio)151
CD selection (CD)160
Telephone number entry, 
retrieving speed dialing 
memory (telephone)163
6Scanning 
(radio, cassette, CD)153,
156,
160
7Function button152
8Light-emitting diode
ItemPage
9Function keys
aCassette eject155
bCassette mode selector154
cTelephone mode selector162
dSeek tuning (radio)152
Track search (cassette, CD)155,
160
Speed dialing memory
(telephone)165
eOn/off148
Volume148 
         
        
        
     
        
        Page 149 of 425

148 Controls in detail
Audio system
Button and soft key operation
In these instructions, the alpha-numeric 
keypad (right side of radio panel) and the 
function buttons (left side of radio panel) 
are referred to as “buttons”. The four keys 
below the display panel are referred to as 
“soft keys”.Operation
Switching on/off
Switching on:
Turn SmartKey in starter switch to 
position1 or2.
or
Press control knoba.
Switching off:
Remove SmartKey from starter switch.
or
Press control knoba.Adjusting the volume
Turn control knoba.
The volume will increase or decrease 
depending on the direction turned.
Adjusting audio functions
Press the 
AUD key to call up the bass, 
treble, balance and fader functions in the 
various operating modes. Settings for bass 
and treble are stored separately for the AM 
and FM frequency bands, cassette mode 
and CD mode.
!Do not press directly on the display face. 
Otherwise the display will be damaged.
iIf the radio is switched on without the Smart-
Key in the starter switch, it will automatically 
switch off again after approximately 30 minutes.
iThe volume setting can be selected 
separately for the telephone and audio system. 
         
        
        
     
        
        Page 150 of 425
149 Controls in detail
Audio system
Bass
Regardless of operating mode, press 
the
AUD key repeatedly untilBASS 
appears on the display.
Press+ or-key to increase or 
decrease level.
or
Press both+ and- keys simultaneously 
to reset the Bass to its center (flat) 
level.Treble
Regardless of operating mode, press 
the
AUD key repeatedly until TREBLE 
appears on the display.
Press+ or- key to increase or 
decrease level.
or
Press both+ and- keys simultaneously 
to reset the Treble to its center (flat) 
level.Fader
Regardless of operating mode, press 
the
AUD key repeatedly untilFADER 
appears on the display.
PressF orR key to shift sound accord-
ingly to the front or rear speakers.
or
Press bothF andR keys simultaneously 
to reset the Fader to its center level.
iYour vehicle may or may not have the fader 
function, depending on the vehicle equipment 
and model. 
         
        
        
     
        
        Page 151 of 425
150 Controls in detail
Audio system
Balance
Regardless of operating mode, press 
the
AUD key repeatedly untilBALANCE 
appears on the display.
PressL orR key to shift sound accord-
ingly to the left or right speakers.
or
Press bothL andR keys simultaneously 
to reset the Balance to its center level.Returning audio functions to factory 
settings
Regardless of operating mode, press 
and hold
AUD key longer than 
2 seconds. 
RESET will appear in the 
display.
All settings for bass, treble and balance 
are returned to the center level and the 
volume is set to a predefined level.Audio system sound selection (EXT)*
Regardless of operating mode, press 
the
AUD key.
The sound settings menu appears on 
the display.
Press theEXT key.
Press one of the function keys. 
         
        
        
     
        
        Page 152 of 425

151 Controls in detail
Audio system
You can select from among the 
following settings:
DRV: The tone level is set to the 
Driver position; sound is directed 
toward the passengers.
SP: The tone level is set for Speech, 
optimizing the sound for the spoken 
word.
AMB: The tone level is set for 
Ambience, producing a 
three-dimensional sound.
OFF: The audio system sound 
selection is turned off.
Telephone muting
The radio will switch to telephone mode 
when a call is incoming. The current audio 
source is muted.
Radio operation
Selecting radio mode
Pressb button.
You can now receive radio stations 
over the analog FM, AM or WB station 
frequencies.
Analog station frequencies
Selecting the band
You can select from among FM, AM or WB 
frequency bands.
Weather band (
page 154).
Press FM, AM or WB key repeatedly 
until desired band has been selected.
The FM, AM and WB frequency bands 
are called up one after the other.
The frequency band currently selected 
appears in the upper left-hand corner 
of the display.
Selecting a station
The following options are available for 
selecting a station:
Direct frequency band input 
(
page 152)
Manual tuning (page 152)
Automatic seek tuning (page 152)
Scan tuning (page 153)
Preset buttons (page 153)
Automatic station memory (Autostore) 
(
page 153)
iFM frequency band:
FM 87.7......107.9 MHz
AM frequency band:
MW (medium wave) 530......1710 KHz 
         
        
        
     
        
        Page 154 of 425

153 Controls in detail
Audio system
Scan tuning
Starting scan tuning
Select desired frequency band.
Press2 button.
SC will appear in the display. The ra-
dio briefly tunes in all receivable 
stations on the band selected. The 
first scan cycle will tune in only the 
stations with a strong signal. The 
second scan cycle will tune in every 
receivable station.
Ending scan tuning
Press2 button ord, c, 
f or ebutton.
SC disappears from the display.Manual station memory (Presets)
You can store ten AM and ten FM stations.
Storing stations
Tune in the desired station.
Press and hold desired station 
button4 toM until a brief 
signal tone is heard.
The frequency is stored on the 
selected station button.
The frequency band and station 
button number are shown in the up-
per left-hand corner of the display.
Retrieving a station from memory
Press desired station button4 
toM.Automatic station memory (Autostore)
The Autostore memory function provides 
an additional memory level. The station 
memory for manually stored stations is not 
overwritten.
Calling up Autostore memory level
Briefly press theAS key.
AS is highlighted in the display.
The radio finds the ten stations with 
the strongest signals. These 
stations are stored on the station 
buttons4 toM in order of 
signal strength.
Retrieving a station from memory
Press desired station button4 
toM.
Leaving the Autostore memory level
Press theAS key.
The highlighted 
AS in the display 
disappears. 
         
        
        
     
        
        Page 155 of 425

154 Controls in detail
Audio system
Weather band
Press theWB key.
The weather band station last selected 
is tuned in.
Select the desired weather band 
station with buttons4 to7.
If a station cannot be tuned in, a scan 
is automatically started.
Pressf or ebutton. The next 
receivable weather band station is 
tuned in.
Cassette operation
Playing cassettes
Press3 button.
The display panel folds down and the 
cassette compartment becomes 
accessible.
Insert cassette into the cassette com-
partment until it engages and tap it 
gently.
The cassette will be pulled in automati-
cally. The system switches to cassette 
mode. Side 1 will be played and 
SIDE 1 
appears in the display. Side 1 is the 
side of the cassette which is facing up-
ward. The cassette deck will automati-
cally detect the type of tape. 
Fold display panel back up and press 
gently on the display panel frame to 
lock it in place.
or
If a cassette is already in the 
mechanism, pressj button.
!Do not press directly on the display face. 
Otherwise the display will be damaged.