2002 MERCEDES-BENZ C320 WS button

176 Audio system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Button and soft key operation
In these instructions, the alpha-numeric keypad (right
side of radio face) and the function buttons (left side of
the radio face) are referred to as “buttons” and the four
keys under the display are referred to as “soft keys”
Note:
Do not press directly on the radio display face.Operation
Switching on and off
Press the control knob .
The system is switched off when the electronic key in
the starter switch is turned to position 0 or removed.
The radio is switched on again when the electronic key
in the starter switch is turned to position 1 or 2.
Note:
The system can also be switched on separately with the
electronic key removed, but will switch itself off
automatically after half an hour to conserve vehicle
battery power.
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179 Audio system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Audio system tone level selection
To select the tone level
settings for radio, cassette,
and CD operation press the
key “AUD”. The tone level
settings menu is now
displayed. Press key “EXT”, and “SOUND” appears on
the display.
Press the key “DRV” to adjust the sound to the “Driver”
and co-driver position.
The key “SP” is for “Speech”, optimizing the sound for
spoken language.
The key “AMB” offers “Ambience” , a three-dimensional
sound.
The key “OFF” switches off the tone level setting
selection.Radio mode
Selecting radio mode
Press button.
Selecting the band
Press the key located below
the desired band. The band
selected is shown in the top
line of the display.
Frequency ranges: FM 87.9 -107.9 MHz
AM 530 -1710 kHz
WB approx.162 MHz
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180 Audio system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Manual tuning
Press either the or
button. Step-by-step station
tuning in ascending or
descending order of
frequency will take place.
The first three tuning steps will take place without
muting. The radio will then be muted and high-speed
tuning will take place until the button is released.
The following tuning intervals will be shown on the
display:Seek tuning
Pre ss eit her t he or b utton. T he radi o will tun e
to the next receivable station.
Scan tuning
Press the button. Each
strongly receivable station on
the band selected will be
tuned in for 8 seconds. The
first scan will tune only the
stations with a high signal strength. The second scan
wi ll tune eve ry r ece ivable station . By pr ess in g e it her t he
, , , buttons or the button the
scan mode can be cancelled. FM 200 kHz
AM 10 kHz
WB Channels 1-7
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181 Audio system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index We a t h e r B a n d
Press the “WB” key. The last weather band station is
tuned in.
Use buttons - to select a different station. If
the station cannot be received, the next available station
is selected automatically.
Press button or . The next available station is
tuned in. The message “WB NONE” appears if no station
can be received.
Station memory
Ten stations each in the AM and FM bands can be stored
via the alpha-numeric keypad. The button
corresponds to location 10. Weatherband (WB)
channels 1 to 7 are preset at the factory and can be
retrieved via the alpha-numeric keypad, but cannot be
changed.Storing stations automatically (Autostore)
Press the “AS” key until the
word “SEARCH” is displayed.
The ten strongest stations are
stored automatically, with
having the strongest
signal.
If less than 10 stations are available within receiving
range, only those will be stored.
Pressing a station selection button without a stored
station will not display a frequency for approximately
2 seconds. Thereafter the station selected last will be
displayed.
Note:
Autostore memory is in addition to the regular station
memory. Previously stored stations are not erased.
Briefly press “AS” to leave the Autostore and return to
manual presets. Press “AS” again to call up Autostore.
7PQ RS
0OPR
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182 Audio system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Storing stations
Hold the desired number button - down for
approximately 2 seconds. The currently displayed
frequency is stored on the selected station button. The
storage procedure is confirmed by a short signal tone.
Retrieving a station from memory
Press the desired station button - .
Direct frequency input (AM and FM only)
Select the band. Press the
“ button and enter the
desired frequency using the
alpha-numeric keypad -
. Frequencies outside of
the frequency ranges (frequencies specified on
page 179) will not be accepted. The frequency input
mode is cancelled if no button is pressed within
4seconds.Cassette mode
Playing cassettes
Pre ss t he button. When t he b utton is pr ess ed ,
the display folds down and the cassette slot becomes
visible. Push the cassette gently into the slot until it
engages. The cassette will be pulled in automatically.
Note:
Do not press directly on the display face.
Return the display panel to its normal position by
folding it back up and pressing gently on the display
frame to lock in place.
Important!
If the display is in the down position for more than
20 seconds, 2 successive beeps will be heard. This will
continue at 5 second intervals until the display is
returned to its normal position.
0OPR0OPR
0OPR
TAPE
EJ
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183 Audio system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index The system will switch to
cassette mode. Track 1 will be
played and “SIDE 1”
displayed. Track 1 is the side
of the cassette which is facing
upward s. The c as sette d eck will automatically detect t he
type of tape and switch the equalization automatically.
A cassette symbol on the display indicates that a tape is
in the mechanism. This symbol appears in all modes
except cassette mode.
The cassette will not be ejected when the system is
switched off or another mode is selected.
If a cassette is in the mechanism, cassette mode can be
selected by using the button.
If no cassette has been inserted, the display will show
“NO TAPE”.Cassette eject
Press the button. The display will fold down and
the cassette will be ejected. Remove the cassette, then
fold the display back up manually. The system will
switch back to radio mode automatically.
Notes:
The cassette will not be ejected when the system is
switched of f. If a cassette is not ejected, continue to hold
the button for at least 5 seconds to eject the
cassette.
Important!
If the display is in the down position for more than
20 seconds, 2 successive beeps will be heard. This will
continue at 5 second intervals until the display is
returned to its normal position.
TAPE
EJ
EJ
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184 Audio system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Track selection
Press the track selection
“TRK” key. The current track
will be displayed as “SIDE 1”
or “SIDE 2”. The track will be
changed automatically at the
end of the tape.
Track search forward/backward
Press the button.
“ S E E K F W D ” w i l l b e s h ow n o n
the display and the track
search will run the tape
for ward to t he start of t he n ex t
track.
Press the button.
“SEEK RWD” will be shown
on the display and the track
search will run the tape
backward to the start of the
track currently playing. Track search can be interrupted
by pressing the same button again.Note:
The beginning of a track can only be located if there is a
break of at least 4 seconds between tracks.
Fa st fo rwa rd/ r eve rse
Press the button.
“FORWARD” will appear on
the display and fast forward
will start.
Press the button.
“REWIND” will appear on the
display and fast reverse will
start.
Fast forward/reverse is stopped by pressing the same
button again, or it will stop automatically at the
beginning or the end of the tape. The track will
automatically change at the end or beginning of the tape
and play will begin.
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185 Audio system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Scanning
Press the button. “SEEK
FWD” will appear on the
display. Each track will be
played for 8 seconds in
ascending order. The search
will stop if any of the , , , ,
buttons are pressed.
Skipping of blank sections (Skip-Blank)
Press the “SB” key. The Skip-
Blank function is switched on
or off. When switched on, the
“SB” on the display is
highlighted.
With the “SB” function activated and no sound signal
received for approximately 10 to 15 seconds, the tape
will fast forward to the next sound signal.Dolby NR
1 (noise reduction system)
To enable optimum sound
reproduction of cassettes
recorded using the Dolby B
system, press the “NR” key so
the “NR” on the display is
highlighted. To turn off Dolby B noise reduction, press
the “NR” key so the “NR” on the display is not
highlighted.
1 Dolby and the double-D symbol
Ù
are trademarks of Dolby
Laboratories Licensing Corporation. The Dolby noise reduction
system is manufactured under licence from Dolby Laboratories
Licensing Corporation.
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