Toshiba T4900CT Manual page 74

Subtest 10 LCD/DAC Pallet
This subtest checks the icon of sub LCD (Caps Lock, Arrow, Num Lock, and
Scroll Lock) by key operation.
[
Caps/Arrow/Num/Scroll LCD test ]
(1) Press [ Caps Lock
(2) Press [ Fn
(3) Press [ Fn
(4) Press [ Fn
PRESS [Enter] KEY
Press Enter to display the following two messages:
After pressing Enter, it writes the '2A' and '15' data to 6 bits of 256x3
(RGB), then reads the new data and compares the result with the original data.
[DAC pallet W-R-CMP test ]
[ Processor latch test
Processor latch test (1:256 times, 2:endless) ?
To exit, press Ctrl + Break. Then press Enter.
Subtest 11 TFT color display
This subtest displays eight screens. The first shows many colors (mode 13) at
once. The next three display 64 shades (mode 13) of red, green, and blue
successively. Next, a single screen displays many colors (mode 5F). The last
three screens display 256 shades (mode 5F) of red, green, and blue.
Press Enter to change the display. Press Ctrl + Break to exit.
Subtest 12 Status Indicator Panel
This subtest turns the status indicator panel icon on and off.
After selecting this subtest, the following message will appear and all icons will
be on.
[Status Indicator Panel Display]
Status Indicator Panel ALL ON
PRESS [Enter] KEY
After pressing Enter, all icons will be off, press Enter again to exit this
subtest.
T4900CT
] key !...Caps
+ F10 ] key !...Arrow
+ F11 ] key !...Num
+ F12 ] key !...Scroll (on/off)
=
] =
(on/off)
(on/off)
(on/off)
(about 5 seconds)
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