Toshiba BA400 Series Key Operation Specification page 138

Character display test
Contrast test
End display
ONLINE LED turns on.
ERROR LED turns on.
Backlight turns on.
1-dot check pattern is displayed. The upper left
corner dot is white.
Press any key.
ONLINE LED turns on.
ERROR LED turns on.
Backlight turns on.
Character display
Press any key.
ONLINE LED turns on.
ERROR LED turns on.
Backlight turns on.
Displays with the minimum contrast.
Press any key.
ONLINE LED turns on.
ERROR LED turns on.
Backlight turns on.
Displays with the default contrast.
Press any key.
ONLINE LED turns on.
ERROR LED turns on.
Backlight turns on.
Displays with the maximum contrast.
Press any key.
ONLINE LED turns on.
ERROR LED turns off.
Backlight turns on.
Press the [PAUSE] key to return to the
upper-level menu.
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