AlarmRevUnack 

(VTScada) Enables you to reverse the display color for unacknowledged alarms so that they appear highlighted in the alarm list.

If set to 1 (default), unacknowledged alarms are reversed (i.e. highlighted in the alarm list).

If set to 0, unacknowledged alarms are not reversed (i.e. are not highlighted in the alarm list).

Default: AlarmRevUnack = 1