Buick 1993 Roadmaster Owner's Manual page 143

The Upper Knob
The upper knob does these things:
0
It controls the volume. The volume increases and
I
I
decretises when the knob is held slightly rotated
against the spring load.
e
It allows you to.mute the radio or the tape player.
Press to mute; press:again to listen. During mute;
only volume up will work:
.
BAL
The coiltrol behind the upper h 0 . b allows you
'to
balance-the sound between the right and left'speakers.
The Lower -Knob
'
Turn the lower knob to tune radio statians. Turn the
.
knob to tune slowly, if you hold it for more than 3
'seconds it will tune rapidly. Push it to get
. A M
OF
.FM.
FADE
The control behind the lower knob moves the sound
between your, front and. rear speakers.
RCL
_ .
It tells you.the time. (When the,ignition-is off, push RCL
to display the time.); With the radio on, and the time
displayed, push it to, display the frequency.
-
.
SEEK
&
Pressing the SEEK
4
or button, will cause the
rec-eiver to seek the.next higher or lower station and
stop.
SCAN
When you press SCAN, the radio will go to .the next
station and pause and keep doing that ,until you press
SCAN again.
Pushbuttons
.The. five. pushbuttons let you return. to favorite station
..
You can .set the pushbuttons for up to ten stations (5 AM
and 5 FM).
Tune in the desired' station.
0
.Press the SET pushbutton. (The display will show
SET-for abiouf 5 seconds.)
. . .
141