IBM 5110 Maintenance Information Manual page 160

Loop On Path:
9.
looping stops if the sequence of step execution
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deviates from the initial sequence. The last executed
PATH-Loops on the path specified by the PATH START
step is displayed along with the decision that varied.
\
NO. and the PATH STOP NO. when the DIFFERENT
The looping options are cleared automatically so that
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option is selected.
when you press the EXECUTE key, the MDI pro·
ceeds to diagnose the error that occurred.
You must answer the questions exactly as they were
answered on the initial pass through the path.
Loop OnMDI:
No intervention is required for the program to loop con·
tinuously. However, before you can use the DIFFERENT
MDI-loops on the entire MDI when the DIFFERENT
option correctly, you must create a trace of the desired
option is selected.
step sequence by proceeding through the path. The
DIFFERENT option uses the trace table as a guide.
You must answer the questions exactly as they were
'r~"
answered on the initial pass through the MDI.
To use the lOOP ON PATH until DIFFERENT option:
No intervention is required for the program to loop con·
1. With the DSP loaded and the menu displayed, enter
tinuously. However, before you can use the DIFFERENT
the selected MDI number along with 0 for options, option correctly, you must create a trace of the desired
\.
/
and press the EXECUTE key. This initializes the trace.
step sequence by proceeding through the path. The
DIFFERENT option uses the trace table as a guide.
2. Enter the STEP mode, then enter the path starting
step number into NEXT STEP NO.
To use the LOOP ON MDI until DIFFERENT option:
3.
Press the EXECUTE key. This begins execution of
1.
With the DSP loaded and the menu displayed, enter
the step selected by NEXT STEP NO.
the selected MDI number, and press the EXECUTE
key to initialize the trace and begin running the MDI.
4. Proceed through the path steps and answer those /~
steps that require intervention until you reach the
2. Proceed through the MDI by answering the steps
desired path stopping step. This builds the trace
that require intervention; continue until the last step
of the steps in the path. The last step must be
in the MDI is reached. This builds the trace of the
answered YES.
sequence of steps that were executed. The question
in the last step must be answered YES.
5. Press the ATTN key to return to the MDI options.
3.
Press the T key and the EXECUTE key to display the
6.
Enter:
trace table. Record the first and last steps of the
trace table for the M DI being run.
MODE
=
RUN
NEXT STEP NO. (use PATH STOP NO.)
4. Press the ATTN key to return to the MDI options.
\
\,
LOOP ON PATH UNTIL DIFFERENT
PATH START NO.
PATH STOP NO.
7.
Press the EXECUTE key to begin looping.
S.
Press the CM D key and ATTN key to stop looping.
This returns you to the MDI OPTIONS display so you
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can select new options. To resume looping, press the
/
EXECUTE key without changing the options.
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