Mercedes-Benz 420 SEL 1986 Owner's Manual page 53

Tuning sensitivity button
By pressing the tuning sensitivity button Q
desired sensitivity level of the automatic station seeker. The sensitivity indicator
shows the selected sensitivity level:
I =
least sensitive (the automatic seeker only stops at strong stations)
I = average (the automatic seeker stops at strong and moderate strength
stations)
f = most sensitive (the automatic seeker also stops at weak stations)
When switched off, the radio returns to the " least sensitive" level.
Direct frequency tuning
In order to select a station with a known frequency, select the wave band (AM
or FM), press the function control button Q | and then enter the frequency by
pressing the corresponding pushbuttons.
Example:
Press any button marked
Press the function control button
Enter frequency by pressing
When tuning a frequency directly, the number of the pushbutton is not dis­
played on the panel. The wave band is indicated by showing " MHz" for FM or
"kHz" for AM.
Note:
All AM stations have allocated frequencies ending with a "0" .
All FM stations have allocated frequencies ending with an odd (uneven) digit
after the decimal point.
Broadcasters sometimes may not give their exact frequency but the next
closest whole number.
US radio frequency ranges:
AM 540-1600 kHz
FM 88.1-107.9 MHz
once or twice, you can select the
FM 98.5 MHz AM 1050 kHz
IU J through U iJ
U U through ( d l
a a
i m u j ] r m
Manual tuning (used to fine tune a
station or for manual scanning)
After selecting the desired AM or FM
wave band, press the manual tuning
button Q (decreasing station fre­
a
quency) or (increasing station fre­
quency).
The frequency will increase or de­
crease respectively in increments of
0.1 MHz for FM or 1.0 kHz for AM.
Release the button when the desired
station is tuned in.
Please note: It is recommended that
manual tuning operations be per­
formed by the driver while the vehicle
is not in motion.
Pushbutton tuning
Six FM stations and four AM stations
can be stored in memory and recalled
by pressing the appropriate buttons
marked through Q O for FM
or i through Q£] for AM stations.
m i
To store stations in memory
Any FM station can be stored on any
button marked QQ through Q21 by
first tuning in the desired station, de­
pressing the button desired and hold­
ing it until the display has changed
from the " old" setting to a "blank" and
then to the new station to be stored.