Toshiba T2000 Maintenance Manual page 72

Subtest 10 LED / DAC pallet
This subtest checks the LED Speed, Caps Lock, and Num Lock using key operations.
It also writes the 2Ah/15h data to 6 bits of 256x3 (RGB), then reads the written data
and compares it with original data.
[ Speed/CRT/Caps/Num/Overlay LED test ]
(1) Press [ Fn + Pgdn ] key !
(2) Press [ Fn + Pgup ] key !
(3) Press [ Caps Lock
(4) Press [ Num lock
(5) Press [ Fn
PRESS [ENTER] KEY
To exit this subtest and return to the DISPLAY TEST menu, press Ctrl + Break.
3-20
... Speed
... Speed
] key ! ... Caps
] key ! ... Num
] key ! ... Overlay (on/off)
(red)
(green)
(on/off)
(on/off)