2007 MERCEDES-BENZ SLR buttons

124 Controls in detail
Control system
RACETIMER
The RACETIMER allows you to time and
save driving stretches in hours, minutes
and seconds.
Press button è or ÿ repeatedly
until you see the 722 Edition menu.
Press button j repeatedly until you
see the RACETIMER.1Lap
2RACETIMER
3Gear indicatorStarting the RACETIMER
Press button æ.
The timer starts.
Displaying intermediate time
Press button ç while the timer is
running.
The intermediate time is shown for
5 seconds.
Stopping the RACETIMER
Press button æ.
The timer stops.
Warning!G
The RACETIMER feature is only for use on
roads and in conditions where high speed
driving is permitted. Racing on public roads
is prohibited under all circumstances and
the driver is and must always remain
responsible for following posted speed
limits.
iYou can start the RACETIMER when the
engine is running or the starter switch is in
position2 (
page 40).
iWhile the RACETIMER is being displayed,
you cannot adjust the volume using
buttonsæ or ç.
iWhen you stop the vehicle and turn the
SmartKey to position 1 (
page 40), the RACE-
TIMER stops timing. Timing is resumed when you
switch the ignition back on (
page 40) or
restart the engine (
page 47) and then press
the æbutton.

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.

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

152 Controls in detail
Audio system
Direct 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
high-speed 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 4 seconds, the
radio will return to the station last tuned to.

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.

160 Controls in detail
Audio system
Selecting CDs
You can select from among the CDs in
the CD magazine using buttons4
to6.
CD and the magazine slot number of the
selected CD appear in the display. The
number of the current track is
displayed after
TRACK.
If there is no CD in the selected maga-
zine slot,
NO CD appears on the display
with the corresponding slot number.Skipping tracks forward/backward

Skipping tracks forward
Pressf button.
The next track will be played.

Skipping tracks backward
Presse button.
If the track has been playing for
more than 10 seconds, it will revert
to the start of that track. If it has
been playing for less than
10 seconds, it will revert to the
preceding track.
Pressing thef or ebutton repeat-
edly will result in multiple tracks being
skipped.
Fast forward/reverse

Fast forward
Press and holdd button until
desired point has been reached.

Fast reverse
Press and holdc button until
desired point has been reached.
Scanning

Starting scan
Press2 button.
SC appears in the display.
Each track on the current CD will be
played for approximately 8 seconds
in ascending order.

Ending scan
Press2, d, c, f or
ebutton.
iThe relative time of the track is shown on the
display during the search.