User's Manual

Events List Components 347
Figure 163 More Detail Dialog Box Graph Tab
The Graph tab works in a similar manner to the Detailed Graph dialog
box for a monitor (see “
Detailed Graph Dialog Box” on page 287 for
details of this). However, there are a few differences worth noting:
■ The Graph tab displays a historical graph of the monitor’s state around
the time of the event, rather than a live graph. As a result, once the
history of the monitor’s state around the time of the event has been
fully collected, the graph will remain static.
■ A vertical white line is displayed on the graph. This indicates the time
when the event was generated.
■ The text at the bottom of the graph provides a hot-link that allows
you to view a report showing historical graphs for the item that the
event was generated for. This report provides a general history of the
item and is not limited to, or focused on, the monitor that generated
the event or the time when the event was generated.
By default the events system maintains a 10-minute history of the
monitoring state of the monitor that generated the monitor-based event,
both before and after the time when the event was generated. The