Display screens are automatically generated for the portion of the network requested by the operator. Bit-maps, vector-based drawing primitives, and text elements are combined to provide simple intuitive representations of the elements that make up a transmission network.

TNCS provides a simple text language that can be used to produce custom display representations. The TNCS administrator can:

• Set up and specify a custom display type
• Specify a drawing mode for a portion of the network

If a drawing mode is not specified, two types of graphics are produced:

• For group devices, TNCS produces a simple group icon display with icons for each child item in the requested group.
  - Icons show individual device status as well as group status, and change color based on status. The icons flash when an alarm is active and unacknowledged.
• For leaf devices (monitored equipment), a simple text screen is produced with data arranged by major categories, e.g. alarms, configuration, properties, etc.
  - Data items that can be changed by the operator are displayed in bold. Selecting that data field for the item allows the operator to request and send a configuration change command to the device
  

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