Toshiba Satellite U300 Maintenance Manual page 154

Subtest 03
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800 * 600 Mode Display
This subtest uses 800*600 video resolution to display a high resolution white
frame, 256 letter types (8*16 pixels) and 256 gradations of white, red, green,
and blue as shown below.
]
800*600 256
0---+---1---+---2---+---3---+---4---+---5---+---6---
WHITE
RED
GREEN
BLUE
To exit this subtest and return to the High Resolution 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
Satellite U300 and Satellite Pro U300 Tests and Diagnostics Manual
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64 gradations
64 gradations
64 gradations
64 gradations
Test Program for Field.
Press [ Enter ] key
256 letter types
indication