Toshiba T1960CT Maintenance Manual page 61

Subtest 06 640x200 Graphics Display (mode 6, E)
This subtest displays even dots, odd dots, and all dots in the 640x200 dot
graphics modes 6 and E as shown below.
640*200 GRAPHICS DISPLAY : [X]
PRESS [Enter] KEY
To exit this subtest and return to the DISPLAY TEST menu, press Ctrl +
Break.
Subtest 07 640x350/400/480 Graphics Display (mode 10, 74, 12)
This subtest displays even dots, odd dots, and all dots in the 640x350,
640x400, and 640x480 dot graphics modes 10, 74, 12 as shown below.
640*XXX GRAPHICS DISPLAY : [XX]
PRESS [Enter] KEY
Pressing Enter changes the size of the displayed image. To exit this subtest
and return to the DISPLAY TEST menu, press Ctrl + Break.
3-18
EVEN DOTS ODD DOTS
DRIVEN
EVEN DOTS ODD DOTS
DRIVEN
ALL DOTS
DRIVEN DRIVEN
ALL DOTS
DRIVEN DRIVEN
T1960CS/T1960CT