IBM Personal Computer XT Manual To Operations page 55

Example 4 (Color Display Only)
Screen Response
Audio Response
Action
~
' : ' I IIIIIIIIIIIIIFLFlI
..
..
Screen has 1 short beep
See below
wrong or no
color
If
you are using a TV as your display, verify that the
color is correct by disconnecting your TV from the unit
and operating the TV normally. Also, ensure your TV
is compatible with the NTSC standard.
If
you have an
IBM Color Display, go to Test 9000.
Example 5
Screen Response Audio Response Action
l'~IIII11I11I1I1~1
IJ
Have the
display serviced
(If
you have
Blank screen or 1 short beep
an IBM Color
obvious TV
Display, see
type problems
below)
(e.g. rolling
screen or
shadows)
If
you have an IBM Color Display, go to Test 9000.
April 1984
Start 30-7