Ibm Color Display; Power-On Control; Contrast Control; Brightness Control - IBM Personal Computer XT Manual To Operations

IBM Color Display
~ Power-On Control
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 display power is on.
Contrast Control
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.
Brightness Control
The Brightness control, when turned clockwise,
increases the brightness of the entire screen when
turned clockwise, and decreases it when turned
counterclockwise.
Power-On Control
Contrast
Power-On
Control
Indicator
Displays 3-19