The central interface monitor (CIM) enables the user to monitor the actions and the messages passing between the CI and the SSIs with a graphical interface. This interface shows the CI in the middle and the SSIs as small boxes surrounding the CI. The CIM also has a small text window at near the bottom. This text window displays a text describing the current action (See Figure 43). The messages are represented by an arrow from the sender to the receiver. Some results of testing the CI and the SSIs are represented in Section 8.4 with sequences of the CIM window showing the activities that took place in each experiment.
Figure 43: The user interface for the SSI.