Mercedes-Benz 2004 CLK-Class Cabriolets Operator's Manual page 204

Controls in detail
Audio system
Switching on the telephone
Press h button.
If you have programmed an unlock
code for the telephone, you must enter
the code now.
Enter the desired telephone number
using buttons 4 to M.
If necessary, correct number entered
with the CLR key. Press key briefly to
delete the last digit entered; press key
and hold to delete the complete num-
ber.
Press the OK key after entering correct
code.
The telephone is unlocked. If you have
entered the wrong code, you must re-
peat the entering procedure with the
correct code.
204
Switching off the telephone
Press h button repeatedly until
PHONE OFF appears in the display.
The receiving symbol in the display
disappears.
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.
i
The volume can be adjusted separately
for the telephone*, voice control sys-
tem* and radio.
Placing a call
Entering a telephone number and
starting the dialing process
Enter the desired telephone number
using buttons 4 to M.
The number can have up to 32 digits,
but only 13 of these are visible on the
display.
If necessary, correct number entered with
the key.
CLR
Press key briefly to delete the last digit
entered.
Press key and hold to delete the com-
plete number.
After correct telephone number has
been entered, press the
SND
key.