Mercedes-Benz 2003 SLK-Class - Manual (Page 115)

115
Controls in detail
Audio system
Button and soft key operation
In these instructions, the alpha-numeric
keypad (right side of radio face) and the
function buttons (left side of radio face)
are referred to as “buttons” and the four
keys under the display are referred to as
“soft keys”.
Operation
Switching on and off
̈ Press control knob a.
The radio is switched off when you turn the
key in the steering lock to position 0 or re-
move it from the steering lock. The radio is
switched on again when you turn the key in
the steering lock to position 1 or 2.
Adjusting the volume
̈ Turn the control knob.
Turning the knob clockwise will in-
crease the volume, counterclockwise
will decrease the volume.
Audio functions
The AUD key is used to select the BASS,
TREBLE and BALANCE functions. Settings
for bass and treble are stored separately
for the cassette and CD modes. Tone level
settings are identified by the vertical bars.
The center (flat) setting is shown by one
longer bar in the center of the display.
Bass
̈ Press the AUD key repeatedly until BASS
appears in the display.
Treble
̈ Press the AUD key repeatedly until TRE-
BLE appears in the display.
̈ Press the + key to increase or the - key
to decrease the level.
i
Do not press directly on the radio dis-
play face.
i
The radio can also be switched on even
if the key is not inserted in the steering
lock, but will switch itself off automati-
cally after one hour to conserve vehicle
battery power.