IBM Personal Computer

IBM Color Display
Controls
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The Power-On control, when turned clockwise, applies
power to the IBM Color Display and removes power
when turned counterclockwise. The Power-On indicator
lights when power
is applied to the display.
When the Contrast control
is turned clockwise, it
increases the brightness of black, blue, green, cyan, red,
magenta, brown, and white. When turned
counterclockwise, it decreases the brightness
of these
colors.
The Brightness control, when turned clockwise,
increases the brightness of the entire screen and
decreases it when turned counterclockwise.
Power-On Control Contrast Brightness Power-On
Control Control Indicator
Displays 3-9