display MERCEDES-BENZ SLR CLASS 2007 Service Manual

146 Controls in detail
Audio system
Operating and display elements

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

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.

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.

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.

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

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.

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.

155 Controls in detail
Audio system
Track selection
Press theTRK key.
The current track will be displayed as
SIDE 1 or SIDE 2.
You can switch sides at any time.
The side will be changed automatically
at the end of the tape.Cassette eject
Press eject button3.
The display folds down and the cas-
sette is ejected. The system will switch
back to radio mode automatically.
Fold display panel back up and press
gently on the display panel frame to
lock it.Track search
Track search forward
Pressf button.
SEEK FWD will appear in the display.
Track search will run the tape forward
to the start of the next track and switch
to Play.
iA warning signal will sound after 20 seconds
if the display panel is left in the down position.
Fold display panel back up. If the display panel is
not closed, a warning signal will sound and the
radio will be muted.
!Do not press directly on the display face.
Otherwise the display will be damaged.
iThe cassette will not be ejected when the
system is switched off or switched to another
operating mode.
iThe beginning of a track can only be found if
there is pause of at least 4 seconds between
tracks.

156 Controls in detail
Audio system
Track search backward
Presse button.
SEEK RWD will appear in the display.
Track search will run the tape back-
ward to the start of the track currently
playing and switch to Play.
Stopping track search
Pressd, c, f or
ebutton.
The cassette will switch over to Play.Scanning

Starting scan
Press2 button.
SC will appear in the display.
Each track on the cassette will be
played briefly in ascending order.

Stopping scan
Press2, d, c, f or
ebutton.
The system will switch to Play.Fast forward/reverse

Starting cassette fast forward mode
Pressd button.
FORWARD will appear in the display.

Starting cassette fast reverse mode
Pressc button.
REWIND will appear in the display.
The cassette will automatically switch over
to the play mode at the end or beginning of
the tape.

Stopping the cassette fast
forward/reverse mode
Pressd, c, f or
ebutton.
The cassette will switch over to the
play mode.