Screen
Run
Utility to display the
Control
Screen Brightness
Display Service
Gray Bars Test Pattern.
Panel
Screen Contrast
Utility
12 Note: Ensure that the
Red Bias
left-most bar remains
Green Bias (R910)
solid black while
(R940)
performing this step.
Adjust the red and green
Bias controls to
Gray Bars
neutralize the darkest
bars (left side) of the
Test Pattern
