key MERCEDES-BENZ SLK CLASS 2005 Repair Manual

195 Controls in detail
Audio system
Switching off
Remove the SmartKey from the starter
switch.
or

Press
D
button.
Adjusting the volume

Turn rotary control of
E
button.
The volume will increase or decrease
depending on the direction turned.Adjusting sound functions
The bass and treble functions are called up
by pressing the O button.
Settings for bass and treble are stored
separately for the AM and FM wavebands,
weather band, CD mode and telephone
mode.
Bass

Press O button repeatedly until BASS
appears in the display.

Press
+ or
– soft key to increase or
decrease tone level accordingly.
or

Press
RES
soft key briefly to reset bass
tones to their center level.
The radio switches back to the
standard radio menu eight seconds
after the last soft key is pressed.
iShould excessively high temperatures
occur while the audio system is being
operated, the display will dim. If tem-
peratures continue to rise,
HIGH TEMP

will appear in the display, after which
the audio system will be switched off
for a cooling-down period.
iIf your vehicle equipment includes a
Mercedes-Benz specified mobile
telephone*, you can adjust its volume
separately from the volume of the
audio system while the telephone is
being used.

196 Controls in detailAudio systemAdjusting treble
Press O button repeatedly until TREBLE
appears in the display.

Press
+or
– soft key to increase or
decrease tone level accordingly.
or

Press
RES
soft key briefly to reset treble
tones to their center level.
The radio switches back to the
standard radio menu eight seconds
after the last soft key is pressed.Returning sound functions to factory
settings

Press O button to call up settings
menu in the display.

Press
RES
soft key briefly; the respec-
tive sound function is reset to its center
level.
or

Press and hold
RES
soft key until
RESET

appears in the display.
The sound settings for bass and treble
are returned to their center level and
the volume is set to a predefined level.
The radio switches back to the
standard radio menu four seconds
after the last soft key is pressed.Adjusting balance

Press P button.BALANCE
appears in the display.

Press X or Y soft key.
The volume is distributed between the
left and right sides of the vehicle.
or

Press
RES
soft key briefly.
The balance is reset to its center level.
The radio switches back to the
standard radio menu eight seconds
after the last button is pressed.

197 Controls in detail
Audio system
Returning volume distribution to
factory settings
Press P button to call up settings
menu in the display.

Press
RES
soft key briefly; the
respective volume distribution is reset
to its center (flat) level.
or

Press and hold
RES
soft key until
RESET

appears in the display.
The volume distribution settings for the
balance is set to the center level.
The radio switches back to the
standard radio menu four seconds
after the last soft key is pressed.Telephone* muting
If your vehicle equipment includes a
Mercedes-Benz specified mobile
telephone*, you can adjust its volume
separately from the volume of the audio
system while the telephone is being used.
Radio operation
Selecting radio mode
Press b button.
Calling up wavebands
You can choose from among the FM, AM
and WB wavebands.
Weather band (
page 201).
iFM waveband: 87.7......107.9 MHz
AM waveband: 530......1 710 KHz

198 Controls in detailAudio systemCalling up wavebands for radios
without SAT
Press
FM or
AM soft key to switch
between FM and AM.
The FM and AM wavebands are called
up one after another.
or

Press
WB soft key.
The weather band menu is called up.
The waveband currently selected
appears in the upper left-hand corner
of the display.Calling up wavebands for radios
with SAT

Press
FM, AM or
WB soft key repeatedly
until desired waveband has been
selected.
The FM, AM and WB wavebands are
called up one after another.
The waveband 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 input (
page 199)


Manual tuning (
page 199)


Automatic seek tuning (
page 199)


Scan search (
page 199)


Station memory (
page 200)


Automatic station memory (Autostore)
(page 200)
The station search proceeds in the
following frequency increments:


200 kHz in FM range


10 kHz in AM range

199 Controls in detail
Audio system
Direct frequency input
Select desired waveband.

Press * button.

Enter desired frequency with
buttons1to R.Manual tuning

Select desired waveband.

PressGorHbutton for approx.
three seconds.

Press button repeatedly until desired
frequency has been reached.
Step-by-step station tuning takes place
in ascending or descending order. Each
time the button is pressed, the radio
tunes further by 0.2 MHz. During
manual tuning, the radio is muted.
Automatic seek tuning

Select desired waveband.

PressGorHbutton briefly.
The radio will tune to the next highest
or next lowest receivable frequency.Scan search


Starting scan search
Select desired waveband.

Press
SC soft key.
SC will appear in the display. The
radio briefly (approximately
eight seconds) tunes in all receiv-
able stations on the waveband
selected.


Ending scan search
Press
SC soft key orGorH.
The station last played will be
selected and
SC disappears from
the display.
iYou can only enter frequencies within
the respective waveband.
If a button is not pressed within
four seconds, the radio will return to
the last station tuned.
iIf no station is received after two
consecutive scans of the complete
frequency range, then the scan stops
at the frequency from which it began.

200 Controls in detailAudio systemStation memory
You can store ten AM and ten FM stations
in the memory.

Storing stations
Tune in desired station.

Press and hold desired station
button1 to R until a brief
signal tone is heard.
The frequency is stored on the
selected station button.


Calling up stations
Press desired station button1
to R briefly.Autostore – automatic station memory
The Autostore memory function provides
an additional memory level. The station
memory for manually stored stations is not
overwritten.


Calling up Autostore memory level and
storing stations
Press
AS soft key briefly.
The radio switches to the Autostore
memory level.
AS and
SEARCH

appear in the display and the radio
finds the ten stations with the
strongest signals. These stations
are stored on the station
buttons1 to R in order of
signal strength.


Calling up stations
Press desired station button1
to R.


Leaving the Autostore memory level
Press
FM or
AM
soft key briefly.
Interrupting radio mode
The radio mode is interrupted by an
incoming call on the telephone*
(
page 221).


Mute on
PressFbutton.
The radio mode is interrupted and MUTED
appears in the display.


Mute off
PressFbutton.
The radio mode is again active.

201 Controls in detail
Audio system
Weather band
Press
WB soft key.
The weather band station last received
is tuned in.
Selecting a weather band station
directly

Select desired weather band station
with buttons 1 to 7.
If a station cannot be tuned in, a search
is automatically started.Search

PressGorHbutton to tune in
the next receivable weather band
station.Scan search


Starting scan search
Press
SC soft key.
SC will appear in the display. The
radio briefly (approximately
eight seconds) tunes in all receiv-
able weather band stations.


Ending scan search
Press
SC soft key orGorH.
The weather band station last
played will be selected and
SC
disappears from the display.
iIf no weather band station is received
after three consecutive scans of the
complete frequency range, then the
scan stops at the channel with which it
began and
NO WB FOUND
appears in the
display.
If this happens, switch back to
standard radio mode.

203 Controls in detail
Audio system
Calling up the SAT main menu
Press
SAT
soft key.
SAT
is displayed in the upper left-hand
corner of the display.
Prior to activation of the satellite radio
service (
page 203).
After activation of satellite radio
service (page 203).
Prior to activation of the satellite radio
service
The telephone number of the SIRIUS
Service Center (888-539-7474) is
displayed.

Press
ESN
soft key.
The twelve-digit electronic serial
number (ESN) of the SAT tuner*
installed in your vehicle is displayed.
This information is required to call the
SIRIUS Service Center for an activation
request.
After activation of the satellite radio
service
The satellite radio main menu appears.
The radio station selected last is audible,
provided it can be received.The first channel 001 is called up and the
PTY system changes to All categories.
If no station can be received,
ACQUIRING

appears in the display.
If the Satellite radio service is not
activated,
ACQUIRING
will also appear in the
radio display and
NO SAT
will appear in the
multifunction display.
iCredit card information may also be
required for your application.
The activation process takes approxi-
mately five to ten minutes after calling
the SIRIUS Service Center.
iThe system will tune to a default
station if no station had been selected
previously.

204 Controls in detailAudio systemSelecting a station
The following options are available:

Selecting a station using the selected
category (
page 205),


Tuning via station presets
(page 204),


Tuning via scan search (
page 205).


Tuning via manual channel input
(page 204).


Tuning via the program category list
(page 204).
Tuning via station presets
Ten satellite radio station presets are
available.
You can access the presets via number
keys.Accessing via number keys

Enter number of preset you wish to
select, e.g. 1.
The radio plays the station stored
under this number and the PTY function
changes to the category corresponding
to the station.
Tuning via manual channel input
Example: tuning in channel 16

Press *.
Input line appears in the main radio
menu.

Use number keys to enter desired
channel within eight seconds,
e.g.1 6.
The system tunes to channel 16.
The station you have selected begins to
play.
Tuning via the program category list
The category list contains all currently
receivable categories of programs. It is
arranged alphabetically.iYou can only enter available channel
numbers.

205 Controls in detail
Audio system


Selecting a category
Press
PTY
soft key.
The current PTY category of the
station is displayed.

Press
<<<
or
>>>
soft key.
This switches between the
individual categories.
When changing the category, the
channel selected last in the new
category becomes audible.The system will automatically switch to
a station of the selected category if the
currently selected station is not of the
selected category. Otherwise, the
currently selected station remains
tuned.


Tuning a station within the selected
category
The channels identified for the
currently selected category are
arranged numerically. Only one entry is
visible at a time.
PressGorHbutton briefly.
The next station within the category
is started.
or

Press and hold
GorHbutton for approx.
three seconds until desired station
has been reached.Tuning via scan search
Scan search is characterized as follows:


Scan search plays a channel for
approx. eight seconds and then skips
to the next channel within the current
category.


Scan search can be terminated
manually.

Press
SC soft key.
The search starts.
SC appears in the
display.

Press
SC soft key again.
The search stops.