2003 MERCEDES-BENZ C320 Owner's Manual

177 Controls in detail
Audio system
Skipping blank sections (skip blank)
Switching on the skip blank function
Press the
SB key.
SB appears on the display in in-
versed-color format.
If the system does not detect a sound
signal, the cassette will automatically
fast forward to the next sound signal.
Switching off the skip blank function

Press the
SB key.
The inversed-color
SB display disap-
pears.Dolby NR
1 (noise reduction system)
To enable optimum sound reproduction of
cassettes recorded using Dolby B NR
1, the
Dolby NR
1 system should be switched on.
Switching on

Press the
NR key.
NR appears on the display in in-
versed-color format.Switching off

Press the
NR key again.
The inversed-color
NR display disa-
pears.
1DOLBY and the double-D symbol
Ù
are trade-
marks of Dolby Laboratories Licensing Corpora-
tion.
The Dolby noise reduction system is manufactured
under license from Dolby Laboratories Licensing
Corporation.
iThe Dolby NR
1 function should be
switched off when playing cassettes
not recorded with Dolby B NR
1.

178 Controls in detailAudio systemCD changer* operating mode
General notes
Should excessively high temperatures oc-
cur while in CD mode,
CD TEMP HIGH
will
appear on the display and muting will take
pl ace . The uni t wil l then s witch ba ck to the
last operating mode used until the temper-
ature has decreased to a safe operating
level.
Should excessively low temperatures oc-
cur while in CD mode,
CD TEMP LOW
will ap-
pear on the display, but the CD will
continue to play.
Handle CDs carefully to prevent interfer-
ence during playback. Avoid fingerprints
and dust on CDs. Do not write on CDs or
apply any label or other material to them.
Use only original CDs. Using copied CDs
may create problems during playback.Clean CDs from time to time with a com-
mercially available cleaning cloth. No sol-
vents, anti-static sprays, etc. should be
used for cleaning. Replace the CD in its
case after use. Protect CDs from heat and
direct sunlight.
Only use CDs, which bear the label shown
and that conform to the compact disc dig-
ital audio standard (IEC 60908).
Use of CDs which do not meet this stan-
dard may cause damage to the CD chang-
er. Do not play single-CDs (80 mm) with an
adapter.Operational readiness of CD changer
If a CD changer has been installed in the
system, it can be operated from the front
control panel of the radio. A loaded maga-
zine must be installed for CD playing.
Loading/unloading the CD magazine

Slide the changer door to the right and
press the eject button
3
.

The magazine will be ejected.Warning!
G
The CD changer* is a Class 1 laser product.
There is a danger of invisible laser radiation
if the cover is opened or damaged.
Do not remove the cover. The CD changer*
does not contain any parts which can be ser-
viced by the user. For safety reasons, have
any service work which may be necessary
performed only by qualified personnel.


179 Controls in detail
Audio system
1CD
2CD changer
3CD tray
4CD magazine
Remove the magazine and pull the CD
tray fully out.

Place the CD in the recess of the tray,
label side up.

Push the tray into the magazine in the
direction shown by the arrow.

Push the magazine into the CD changer
in the direction shown by the arrow and
close the sliding door.
Playing CDs

Press the
i
button.
CD will appear on the display.
The CD most recently listened to will then
start playing at the point where it was last
switched off.
After the last track on a CD has finished,
the next CD is automatically played.Selecting CDs

You can select from among the CDs in
the CD magazine using buttons1 to6.CD a n d t h e m a g a z i n e s l o t n u m b e r o f t h e
s e l e c t e d C D a p p e a r o n t h e d i s p l a y . T h e
number of the current track is dis-
played after
TRACK
.
If there is no CD in the selected maga-
zine slot,
NO CD
appears on the display
with the corresponding slot number.
iCDs which have been inserted improp-
erly or are unreadable will not be
played.

180 Controls in detailAudio systemSkipping tracks forward/backward
Skipping tracks forward:
Press the
f
button.
The next track will be played.
Skipping tracks backward:

Press the
e
button.
If the track has been playing for more
than ten seconds, it will revert to the
start of that track. If it has been playing
for less than ten seconds, it will revert
to the preceding track.
Repeated pressing of the
f
or
e

button will result in multiple tracks being
skipped.Fast forward/reverse
Fast forward:

Press and hold the
d
button until
the desired location has been reached.
Reverse:

Press and hold the
c
button until
the desired location has been reached.Scanning
Starting scan:

Press the
2
button.
SC appears in the display.
Each track on the current CD will be
played for approx. eight seconds in
ascending order.
Ending scan:

Press the
2
, d
, c
, f

or
e
button.
iThe relative time of the track is shown
on the display during search.

181 Controls in detail
Audio system
Random play
The random play function (RDM) plays the
tracks on the current CD in random order.
Switching on random play:
Press the
RDM
key.
RDM
appears on the display in in-
versed-color format.
Switching off random play:

Press the
RDM
key again.
The inversed-color
RDM
display disap-
pears.Repeat
The repeat function (RPT) repeats the cur-
rent track.
Switching on repeat:

Press the
RPT
key.
RPT
appears on the display in in-
versed-color format.
Switching off repeat:

Press the
RPT
key again.
The inversed-color
RPT
display disap-
pears.Track and time display

Press the
T key.
The number of the track being played
and the elapsed playing time appear in
the display.

Press the
T key again.
The total number of tracks and the total
playing time of the CD appear in the
display.
The CD main menu appears again after
eight seconds.
iThe Random play and Repeat function
cannot be used simultaneously.

182 Controls in detailAudio systemTelephone* operation
Various car telephone functions and oper-
ating steps for the car telephone can be
performed and displayed via the audio sys-
tem.
Further operating instructions not covered
here can be found in the operating instruc-
tions for the multifunction steering wheel,
voice control system* and the car tele-
phone.
Switching on the telephone
Press the
h
button.

If you have programmed an unlock
code for the telephone, you must input
the code now.

Press the
OK key.
The telephone is unlocked. If you enter
the wrong code, you must re-enter the
correct code.Switching off the telephone

Press the
h
button repeatedly until
PHONE OFF
appears in the display.
The receiving symbol in the display dis-
appears.
Adjusting the volume

Turn control knob
a
during tele-
phone operation.
The volume increases or decreases de-
pending on the direction in which the
knob is turned.Placing a call
Entering a telephone number and start-
ing the dialing process

Enter the desired telephone number
using buttons1 to0.
The number can have up to 32 digits,
but only 17 of these are visible on the
display.

If necessary, correct the number en-
tered with the
CLR
key. Press the key
briefly to delete the last digit entered,
press the key and hold to delete the
complete number.

After the correct telephone number
has been entered, press the
SND
key.
iThe volume can be adjusted separately
for the telephone, voice control
system* and radio.

183 Controls in detail
Audio system
Telephone book
The numbers stored in the telephone book
c a n b e c a l l e d u p b y e i t he r n a m e o r n u m b e r .
Calling up the telephone book
Press either the
d
, c
, f

or
e
button.
Switching between name search and
number search

Press the
ABC
key.
The name search is called up.
or

Press the
NUM
key.
The number search is called up.Searching and calling up telephone book
entries by name

Press the
ABC
key.
The current name is marked on the dis-
play.

Press either the
d
or
c
button.
The stored entries are selected accord-
ing to alphabetical order of initial let-
ters.
or

Press the
f
or
e
button.
The stored entries are selected in
increments of four.
or

Press the desired numerical key2 to9.
The stored entries are selected accord-
ing to alphabetical initial letters (e.g.
for
B-Brown, press button2 twice).
iA number of characters and symbols
cannot be shown on the display for
technical reasons, they have been re-
placed with spaces.

184 Controls in detailAudio systemSearching and selecting telephone book
entries by number
Press the
NUM
key.
The current number is marked in the
display.

Press either the
d
or
c
button.
The stored entries are selected accord-
ing to numerical order.
or

Press the
f
or
e
button.
The stored entries are selected in in-
crements of four (e.g. Entry
M1,
Entry
M5, etc.).
Starting dialing process

Once you have selected a number,
press the
SND
key.Repeat dialing
If, for example, the number dialed is busy,
you can again place calls to the last ten
telephone numbers dialed using the repeat
dialing function.
Manual repeat dialing (redial)

Press the
SND
key.
The last number dialed is shown in the
display.

Select the desired telephone number
using the
d
, c
, f
or
e

button.
The abbreviation
L and the number of
the entry are shown in the top line of
the display.

When you have selected a number,
press the
SND
key.
The call will then be placed.Automatic repeat dialing (redial)
If a call cannot be connected, press
the
SND
key.
REDIAL
will appear on the display and re-
peated attempts to place the call will be
made for the next four minutes.
Quick dialing

Enter the previously selected
three-digit (1-999) number of the entry
using the number keys1 to0.

Press the
RCL
key.
The telephone number stored under
that entry will be dialed.

Press the
SND
key.
The call will be placed.