IBM 5150 Manual To Operations page 220

15.
Does screen match the figure below?
1 2
+-
1 2 J
4 5 6 7 8 9 0 =
+>
N S
~
J 4 L
n
WE R T Y
U I
o
P
[ 1 7 8 9
5 6 C AS D F G H J K
L
R 4 5 6
7 8 S
\ Z
X C V B N M. I
S * 1
2 3
+
9 0
A
S C
0
IS THE SCREEN CORRECT? (YIN) -
~
-
<D
"1'
0
YES?- Press and hold any key. The corresponding key on
screen will flash.
This is the Typematic test.
Press
)1
then
~
enter. Go to Step 16.
NO? - If any block did not change to a character have
Keyboard serviced.
If Typematic ""r failed.
pr."
g
then
~
enter.
Record error message and have System Unit serviced.
PDPs 4-32