HP NonStop G-Series - Manual (Page 48)

In the tree pane, a yellow
icon displayed over a
system, group, module,
or any parent object that
contains subcomponents
indicates that one or
more subcomponents
require service or
operational intervention.
State icons are also
shown in the Physical
view of a cluster or
system.
Alarm Indicators
If the object has at least one alarm, an alarm icon appears:
In the tree pane
On the alarms tab and detail