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5-4
2. Ensure that the 3274 Control Unit and the 3278 Display Station or 3279
Color Display Station have power switched on. The 3278 or 3279 must
have a keyboard and must be attached to port AO of the 3274.
Note:
When customizing a 3274-1A,
18,
or 1D, do not set the on/off
switch to the off position unless the rotary switch on the control panel
is in the Local/Offline position and the Local/Offline indicator is on.
The Power/Interface rotary switch must be in the Local/Offline posi-
tion and the Local/Offline indicator must be on.
3. I nsert the feature diskette (see Figure
5-3)
and, holding the Alt 1M L
Address switch in position 1, press and release the
1M
L button;
th~n
release the Alt IML Address switch. Within 2 minutes, the 8421
indicator code will be a flashing 1011.
4. Insert the customized system diskette. Within 1 minute, the 8421
indicator code will be a flashing 1110.
5.
Insert the feature diskette again. Within 1 minute, the 8421 indi-
cator codes will be a steady 0001. If you are using the 3279, refer
to Appendix E for the convergence procedure.
6.
Look for a 3-digit sequence number in the upper-left corner of the 3278
or 3279 screen. The first one is 001. Beneath the sequence number are
Xs that are replaced by keying in the response to sequence number 001
(below). If the entered response is acceptable, a new sequence number
will be displayed. If the response is unacceptable, an operator code will
be displayed at the upper, center portion of the screen. See Figure 5-4
for the meaning of the displayed code.
Sequence Number
2-Digit Operator Code
~-------
Response
0
a
1
x
X
Cursor
Note: If
a
76-
or B8-key Japanese English or Japanese Katakana key-
board is used, press the key circled in Figure
5~2
before proceeding.
The keyboard will be locked for about 10 seconds. When the keyboard
unlocks, continue.
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