If the Mainframe External Input is swit,ched off, press
which have the System Trigger as their Trigger source
can be comrolled in this way.
In the Step menu:
Figure 2-8. System State: Step menu
Total no. of Steps:
Indicates the current vect,or position.
Resets all modules with System Trigger
source to vector 0.
n
Press the numeric field to set the
number of clock periods to be counted
in each step. The st.ep is measured in
clock-periods (which is equivalent to
vectors for all modules running at the
clock rate).
Press to output
Exits step-mode and ret.urns the
state to
State Controls
next step of dat,a.
Stopped.
System Operating Reference 2-21
system