IBM 5251 Series Maintenance Information Manual page 138

1-120
Return to the Display Verification Menu by:
1. Pressing the C key.
2. Pressing the Enter key.
xx---xx
(station 10) can be up to 10 characters.
Select the function keys and features option by:
1. Pressing the 4 key.
2. Pressing the Enter key.
This display tests the roll keys and command function
keys.
How to use this display:
1.
2.
Press and hold the Upper Shift key while you
press either the Roll
t
or Roll
t
key.
Observe roll lines 1, 2, 3, and 4. You can return
lines that have rolled off the display screen by
pressing the Enter key.
3. Observe the intensity of the numbers on the
display screen while you perform step 4.
206
4.
5.
Press the Cmd key; then press command function
key 1. Repeat until command function keys 1
through 12 have been pressed. Press the Cmd key
again; then press and hold the Upper Shift key
while pressing command function key 13. Release
both keys. Repeat until command function keys
13 through 24 have been pressed.
Repeat step 4 to obtain a normal display of the
numbers.
Return to the Display Verification Menu by:
1.
Pressing the C key.
2.
Pressing the Enter key.