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This space provides the same content as before, but the organization of the home page has changed. The content is now organized based on logical branches instead of legacy book titles. We hope that the new structure will help you quickly find the content that you need.


Whether a calendar period or threshold set is currently active or inactive.

By default, a time-based calendar period is active when the current time and day of the week fall within one of the time spans specified in the calendar period definition. A threshold set becomes active when the calendar period with which it is associated is active.

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