IBM 5155 Manual To Operations page 118

5
Enter the number of paddles (2 or 4) attached to
your Game Control Adapter and press
~
.
Enter the same number for the number of
buttons and press
~
.
6
7
Check for correct operation of your paddles as
follows:
1. Press each button and watch the word
RELEASED change to PRESSED.
2. Turn each paddle control and watch the
characters A, B, C, or
D move inside the box.
Go to the next step.
1300-4 Test January 1984