Buick 1993 Roadmaster Owner's Manual page 147

Within 5 seconds, push one of the five pushbuttons.
SET will disappear from the display when the station
is set.
Whenever you press that button, the preset station will
return.
Clock
To set the clock:
0
Press the SET pushbutton.
. .
a
Within
.5
seconds, press and .hold SCAN until the
Press and hpld SEEK
4.m
.until the correct
correct hour appears on the display.
minute appears on the di,splay.
To Adjust The Tone
Use the'levers next to .the display to set the bass,
midrange and treble until y0.u get the sound you want.
,
The 60 and 250 levers hdjust the. bass; 1K is ,midrange;
and 3.5K and 1OK control the treble.
We suggest you start w.ith the center lever (1K) in the
midpoint position. Then move the others up until you
get the. amount .of bass and treble you like.
To Play A Compact Disc
Before you begin, please note: DO NOT use mini-discs
that are called singles. They won't eject. Use full-size
compact discs only.
If the disc player is very hot, or if you're driving on a
very rough road, a disc may come out or just not.play. If
you see the- word HOT on the display, the disc player
is
too hot to play the disc. .Press RCL to make the word
HOT go off the display.
As soon as things get back to normal, the disc should
play again.
Press PWR to turn the system on.
Insert a disc partway into the slot, label'side up. The
player will pull it in. Wait a few seconds and the disc
should play.
If the disc comes back out, check to see if,
0
The disc is upside down.
It is dirty, scratched, or wet.
There's too much moisture in the air.
(If
there is,
wait about an hour and try again.)
. I
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