Toshiba Satellite U400 Maintenance Manual page 143

Subtest 02
[ 640*480 256 ]
WHITE
RED
GREEN
BLUE
50
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640*480 Mode Display
This subtest uses 640*480 video resolution to display a high resolution white
frame, 256 letter types (8*16 pixels) and 64 gradations of white, red, green,
and blue as shown below.
0---+---1---+---2---+---3---+---4---+---5---+---6---
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 U400 and Satellite Pro U400 Tests and Diagnostics Manual
64 gradations
64 gradations
64 gradations
64 gradations
Test Program for Field.
Press [ Enter ]key
256 letter
types
indication