Toshiba B-EX6 Series Maintenance Manual page 169

5. SYSTEM MODE
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 black.
Press any key.
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 [ENTER] or [CANCEL] key to return
to the upper-level menu.
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5.13 FACTORY TEST