Mercedes-Benz 300SD 1981 Owner's Manual page 38

Radio
An additional fader control, installed
in the center console of the car,
allows for distribution of the audio
power between the front and rear
speakers.
To adjust the tone characteristic
To set the radio to a " flat" frequency
response, briefly press both tone
HI H
controls simultaneously.
To produce more bass, press the
HI
bass control only ■ To produce
more treble, press the treble control
only l a .
Note:
Repeated pressing of either the bass
or treble control will cause the
respective tone control to alternate
between an increasing and decreas­
ing setting.
To select AM or FM
Press any of the buttons marked
EE EE
through to tune the radio to
the FM band.
Press any of the buttons marked
F71
through EQ to tune the radio to
the AM band.
36
To tune to a station
Stations can be tuned in by using
automatic search, direct frequency
dialing, manual tuning, or by preset
push buttons. The frequency of the
station selected is displayed digitally
on the display panel.
Automatic station search
Switch to the wave band desired by
pressing any of the following buttons:
EE
for FM, buttons through E E ,
for AM, buttons through EQ •
By pressing the right side of the
station seeker bar I
A U T O M A T I C
searches stations in ascending trans­
mitter frequency sequence, and by
pressing the left side, in descending
transmitter frequency sequence. The
direction of the automatic search
operation can be reversed by press­
ing either side of the seeker bar
i . For fast approach of a
A U T O M A T I C
station sought, the seeker bar can be
held down.
The radio is programmed to automati­
cally search the entire band in three
sensitivity modes. During its first
sweep, only the most powerful sta­
tions received will be selected and
locked in. During the next sweep, the
less powerful and during the third
cycle, also the weak stations will be
locked in.
If the station seeker bar is reactivated
within eight seconds after the radio
selects a station, the automatic
search will resume in the sensitivity
mode used last. If eight seconds are
exceeded before reactivating the bar,
the unit will again search for the most
powerful stations first.