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Messages are divided into two types: Input and Output. They can be added from the Insert
Menu and modified and deleted from the Edit Menu. Alternately, the right click menu
presents the same actions. See Add Message
The ND (No Display) flag can be set for input message types. When set, no message will be
shown on the target CPU's LCD. This feature can used to suppress fire related activations on
a Mass Notification System node and vice versa.
When a message is selected on the Custom Messages View the corresponding correlations
are displayed on the Correlation View. They are separated into Alarm, Supervisory, Trouble
and Monitor categories for inputs and Signal and Relay for outputs. When the Add
Correlations dialog is invoked, it shows, on a similar set of tabs, circuits that can be
correlated to the selected message.
There are restrictions on the correlations that can be created between a custom message
and circuits.
A custom message can be correlated to many circuits, but once a circuit is associated with
one message, that circuit cannot be correlated to another message on the same
Annunciator CPU.
Input message/circuit correlations are further constrained. A message can only be correlated
to input circuits that would be displayed in the same Queue (Alarm, Supv., Trouble and
Monitor). For example, once a message is correlated to a circuit of type Alarm it can not be
correlated to circuits of a different type.
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