IBM 3274 User Manual page 53

2. Use a 3178, 3278, 3279, or equivalent display station
attached to 3274 port AO to execute this procedure. Locate
this display station; then make sure it has a keyboard and
is turned on.
3. Load the Encrypt/Decrypt diskette.
4. Press the IML pushbutton on the 3274 control panel. The
IML has been completed when the 8 4 2 1 indicators have
sequenced and are all off.
5. Go to the display station that is attached to 3274 port AO.
The top two rows of the screen should contain the
following information:
001
XXXXXXXXXXXXXXXX
6. Use the keyboard to enter the characters
1234567890ABCDEF into the character positions occupied
by the Xs. If you miskey any characters, use the cursor
move keys ( - and - ) on the right side of the keyboard
to move the cursor to the character position(s) to be
corrected.
7. Press the ENTER key. The top two rows of the display
screen should change to:
EMKV
Note: If a 1 (numeric error code) or 2 (alphabetic error
code) appears in the top center of the screen, either
you did not enter the 1 through F characters
correctly in step 6 or the attached keyboard is
nonstandard and cannot be used. To recover, enter
the
1
through
F
characters correctly and press the
ENTER key again. If the error still occurs, replace
the display/keyboard with a standard unit and retry
step 6.
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