Commodore 2002 - Contrast Control; Brightness Control; Tint Control; Color Control

CONTRAST CONTROL
Turn this knob clockwise to increase contrast. The normal setting
is at the center,
BRIGHTNESS CONTROL
Turn this knob clockwise to increase brightness or counterclockwise
to make the screen picture darker. The normal setting is at the
center.
TINT CONTROL
Turn this knob counterclockwise to add more red and clockwise to
increase the green shading. The normal setting is at the center.
COLOR CONTROL
Turn this knob counterclockwise to tone colors down, and clockwise
to brighten colors. The normal setting is at the center.
VERTICAL HOLD CONTROL
Adjust this knob to stop vertical rolling of the picture.
HORIZONTAL POSITION CONTROL
Turn this knob clockwise to move the center of the picture to the
right. Turn it counterclockwise shift the center of the picture to the
left.
VERTICAL HEIGHT CONTROL (on back of monitor)
Adjust this with a screwdriver to increase or decrease the vertical
height of the picture.