Honeywell Experion LX Operator's Manual page 154

Responding to alarms
Minimum security level required to suppress audible annunciations. That is, OPER,
n
SUPV, ENGR, and MNGR.
Users with a security level less than the minimum level required are unable suppress
audible annunciations.
Audible suppression duration, in seconds. The default period is 600 seconds (10
n
minutes) and the maximum period is 3,600 seconds (1 hour).
Maximum suppressible priority. That is, Low or High.
n
Alarm priority
Low
High
Note that all existing alarms (including urgent alarms) are silenced when the Suppress
audible annunciations button is clicked. However, audible annunciation of urgent
alarms that occur after the initial silencing is not suppressed. Urgent alarms include
urgent system alarms and urgent process alarms.
Suppression button behavior
The Suppress audible annunciations button that appears on the Alarm Summary comprises
three icons: Urgent, High, and Low.
As you click the button, its behavior changes, based on the type of audible annunciation
configured for your system. The button can have up to three states:
When the button looks like this...
Honeywell 2017
Maximum suppressible priorities
...includes these alarms and messages
Low priority process alarms
Low priority system alarms
Info messages
Confirmable messages
Low priority alarms and messages
High priority process alarms
High priority system alarms
Suppression button states
...you will hear audible annunciation of
All alarms and messages.
High priority alarms and urgent priority alarms.
154