AT&T PC 6300 - Page 504

MAINTENANCE
;n.^
After the choice is made, the System Test displays the following
menu which lists all tests available for the Video Option Board;
n
n
VIDEO OPTION BOARD TEST SECTION ARE:
0 - RETURN TO MAIN MENU
1 - MEMORY TEST
2 - TRANSPARENT MODE
3 - TEXT WITH 400 LINE GRAPHICS
4 - TEXT WITH 200 LINE GRAPHICS
5 - 400 LINE GRAPHICS. 4 BIT PLANES, FULL LUT
e - REDUCED LUT TEST (LITTLEBIT)
10 - RUN ALL OF THE ABOVE TESTS
Run specific tests by entering the appropriate value followed by
ENTER key or run all tests by entering the. value 10 followed by
the ENTER key.
Note: Tests 3 and 4 must be run with the contrast control
set to midrange. This is necessary in order to distinguish
between lines that are blinking from low light to high
light.
?
0
5-126
n
fi
n
n