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Nyquist C4000 User Guide
Announcements, Facilities, Zones, and Priorities
You can select to play an announcement to a zone, to all speakers, or to one or more facilities. The
Nyquist system also supports the simultaneous playing of multiple announcements to different zones.
However, there are some set rules and priorities that govern how and when announcements play. For
example, announcements played via an I/O controller can be played to a selected zone but not to All
Speakers.
When you attempt to play a non-emergency, or Normal, announcement to a zone, you will receive a
busy signal if any of the following are true:
• An announcement, page, or recorded page is being played on the zone.
• An announcement is being played to All Speakers.
• An Alarm, Tone, All-Call, or Emergency All-Call is being played.
A Normal announcement plays to All Speakers only if all zones are idle and no higher level audio is
playing. You will receive a busy signal if any of the following are true:
• A Normal or Emergency announcement is already playing to All Speakers.
• An announcement is already playing to a zone.
• A page or queued page is already playing to a zone.
• An Emergency-All-Call, All-Call, Alarm, or Tone is already playing.
If you attempt to play an emergency announcement to a zone or to All Speakers, you will receive a busy
signal if any of the following are true:
• An emergency announcement is already playing to the zone or to All Speakers.
• An Emergency All-Call is already playing.
If you attempt to play an emergency announcement to a zone or to All Speakers that is already playing
a non-emergency announcement, an alarm or tone, a page or queued page, or an All-Call, the emer-
gency announcement takes priority. A currently playing non-emergency announcement, alarm or tone,
page or queued page, or All-Call will stop playing.
An Emergency announcement can be played on a zone while a Normal announcement plays on a dif-
ferent zone. Multiple Emergency and Normal announcements can be played to different zones (but
not to All Speakers).
Scheduled Announcement Rules
Scheduled announcements follow slightly different rules. When you schedule an announcement, you
can set the Maximum Wait Seconds parameter to indicate how many seconds to wait for an active page
or announcement to finish before giving up.
For example, if the Maximum Wait Seconds is set to 120 seconds, when the system attempts to play the
announcement at the scheduled time, if a page or announcement is already actively using the Zone, the
scheduled announcement will wait up to 120 seconds for the Zone to become idle. If the Zone becomes
idle in less than 120 seconds, the system will play the announcement. If the Zone is still busy after 120
seconds, the scheduled announcement will not play.
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