2005 MERCEDES-BENZ SLR CLASS Owners Manual

144 Controls in detailAudio systemOperating and display elements

145 Controls in detail
Audio system
Item
Page
1
CD mode selector
156
2
Manual tuning
(radio)
149
Fast forward/reverse
(cassette, CD)
154,
158
Speed dialing memory
(telephone)
163
3
Radio mode selector
149
4
Display panelCassette compartment be-
hind display panel
Item
Page
5
Alpha-numeric keypadBand selection,
station buttons (radio)
149
CD selection (CD)
158
Telephone number entry, re-
trieving speed dialing mem-
ory (telephone)
161
6
Scanning (radio, cassette,
CD)
151,
154,
158
7
Function button
150
8
Light-emitting diode
Item
Page
9
Function keys
a
Cassette eject
153
b
Cassette mode selector
152
c
Telephone mode selector
160
d
Seek tuning (radio)
150
Track search (cassette, CD)
153,
158
Speed dialing memory
(telephone)
163
e
On/off
146
Volume
146

146 Controls in detailAudio systemButton 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, tre-
ble, balance and fader functions in the var-
ious 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
SmartKey in the starter switch, it will
automatically switch off again after ap-
proximately 30 minutes.
iThe volume setting can be selected
separately for the telephone and audio
system.

147 Controls in detail
Audio system
Bass
Regardless of operating mode, press
the
AUD
key repeatedly until
BASS

appears on the display.

Press
+ or
- key to increase or de-
crease level.
or

Press both
+ and
- keys simultaneously
to reset the Bass to its center (flat) lev-
el.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 until
FADER

appears on the display.

Press
F or
R key to shift sound accord-
ingly to the front or rear speakers.
or

Press both
F and
R 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.

148 Controls in detailAudio systemBalance
Regardless of operating mode, press
the
AUD
key repeatedly until
BALANCE

appears on the display.

Press
L or
R key to shift sound accord-
ingly to the left or right speakers.
or

Press both
L and
R 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 two
seconds.
RESET
will appear on 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 the
EXT
key.

Press one of the function keys.

149 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 152).

Press FM, AM or WB key repeatedly un-
til 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 150)


Manual tuning (
page 150)


Automatic seek tuning (
page 150)


Scan tuning (
page 151)


Preset buttons (
page 151)


Automatic station memory (Autostore)
(page 151)
iFM frequency band:
FM 87.7......107.9 MHz
AM frequency band:
MW (medium wave) 530......1710 KHz

150 Controls in detailAudio systemDirect frequency input
Select the desired frequency band.
Press“ button.

Enter desired frequency using
buttons4 toM.Manual tuning

Select the desired frequency band.

Press and hold either thed or
cbutton until the desired
frequency is reached.
Step-by-step station tuning takes place
in ascending or descending order of
frequency. The first three tuning steps
will take place without muting. After-
wards, the radio will be muted and
highspeed tuning will take place until
the button is released.Automatic seek tuning

Select the desired frequency band.

Press either thef or ebutton.
The radio will tune to the next higher or
next lower receivable frequency.
iYou can only enter frequencies within
the respective waveband.
If a button is not pressed within four
seconds, the radio will return to the
station last tuned to.

151 Controls in detail
Audio system
Scan tuning

Starting scan tuning
Select desired frequency band.

Press2 button.SC will appear on the display. The
radio 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 the
AS 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 the
AS key.
The highlighted
AS in the display
disappears.