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The TV monitor's adjustments function like those of a
conventional commercial TV set, except Lhat the volume
adjustment has no effect. The Steeplechase game produces
its sound in a speaker separate from the TV monitor. Figure
5-1 shows the location of these adiustmcnts on the rear of
the TV monitor cha,sis. The following arc general guide
lines to follow while making these adju,tments:
BRITE
(Brightness) This should be adjusted before the
contrast. Adjust the brightness so that the
white lines covering the screen just barely
disappear when the brightness is turned up.
CONT
(Contrast) Adjust so that the images are as bright
a, po»ible against the dark background
without being blurred.
HORIZ HOLD
(Hori10ntal Hold) Adjust if the picture
is slightly off-center horizontally, if the
picture is brok' e n up into a series of
diagonal lines. Adju;t for a stable, cen
tercd picture.
VERT HOLD
(Vertical Hold) Thb needs adjustment
only if Lhe picture appears to be rolling
up or down the screen. Adjust for a stable,
cenLered picture.
5.3 ADJUSTMENT OF SPEAKER VOLUME
The loudness of Lhe sounds produced during game play
..:an be adju'>Led with the potentiometer R98, as described
in the circuit description of para. 3.4.15, Section Ill of this
manual. The adjustment is done by manually moving the
stud on Lop of the potentiometer body, as shown in Figure
5-2. Thi, potentiometer is mounted on the printed circuit
board inside the c<1binet. Drawing number A003750, the
PCB J,sembly dr Jwing included in Section VI I of this
rnJnual, ,hows thi, potentiometer in the lower right corner
of the board.
QUIETER
Figure 5-2 "SPEAKER VOLUME" Potentiometer
LOUDER
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