Toshiba Satellite U300 Series Maintenance Manual page 139

Subtest 12 Color Tiling
This subtest displays black, gray, white, and 3 gradations of red, green, and
blue as shown in the following display.
To exit this subtest and return to the Display Test menu:
Press Enter if NO was selected for Test Loop on the Test Parameter Menu.
Press Ctrl + break if YES was selected for Test Loop on the Test Parameter
Menu.
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Black Red
Gray Red
Gradation
White Red
Gradation
Satellite U300 and Satellite Pro U300 Tests and Diagnostics Manual
Test Program for Field.
Green Blue
Green Blue
Gradation Gradation
Green Blue
Gradation Gradation