IBM 3270 Manual page 118

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11. Within 2 minutes, the 8 4 2 1 indicator code on the 3274 Control Unit
should be flashing one of the following:
1100 - Replace the feature diskette with the RPO diskette. Do not
press the /ML pushbutton. (If you do press the IML push-
button, go back to step 3.) After the RPO diskette is inserted,
the code will change to 0111 within 30 seconds. If additional
RPO diskettes are required or if you inserted a diskette that is not
an RPO diskette, the indicator code will again flash 1100. Repeat
the procedure for each additional RPO diskette. At no time
should you press the /ML pushbutton. When the RPO diskette
procedure is completed, the indicator code should be flashing
1110. Reinsert the feature diskette. Do not press the IM L push-
button. Within 2 minutes, the 8 4 2 1 indicator code will flash
1011 or 1101. Perform the functions indicated.
1101 - Replace the feature diskette with the language diskette. Do not
press the /ML pushbutton. (If you do press Jhe IM L pushbutton, _
go back to step 3.) Within 30 seconds, the indicator code will
change to 0111 and then to flashing 1011 within 1 minute.
When the indicator code is flashing 1011, replace the language
diskette with the system diskette. Do not press the /ML push-
button. Within 1 minute, the 8 4 2 1 indicator code will change
to a steady 1000. Within 15 minutes the 8 4 2 1 indicator code
will change to one of the following.
Note: If errors occur during this 15-minute period, a flashing
8 4 2 1 indicator code will appear. See Figures 4-5 and 4-6.
0011 - Replace the system diskette with the load diskette.
Do not press the IM L pushbutton. (If you do press
the IML pushbutton, go back to step 3.) Within 5
minutes, the 8 4 2 1 indicator code will change to 1111,
indicating that customizing is completed.
1111 - Customizing is completed. Go to step 12.
1011 - Replace the feature diskette with the system diskette. Do not
press the /ML pushbutton. (If you do press the IML push-
button, go back to step 3.) Within 1 minute, the 8 4 2 1
indicator code will change to a steady 1000. Within 15 minutes,
the 8 4 2 1 indicator code will change to one of the following.
Note: If errors occur during this 15-minute period,
a
flashing
8 4 2 1 indicator code will appear. See Figures 4-5 and 4-6.
0011 - Replace the system diskette with the load diskette.
Do not press the /ML pushbutton. (If you do press the
IML pushbutton, go back to step 3.) Within 5 minutes,
the 8 4 2 1 indicator code will change to 1111, indicating
1
that customizing is completed.
1111 - Customizing is completed. Go to step 12.
Chapter 4. Initial Customizing Procedure
4-7