Chapter 3: System operation
152 Vigilant VS1 and VS2 Technical Reference Manual
Silencing panel and annunciator buzzers
The panel buzzer sounds whenever an event message is received at the control
panel. Pressing the Panel Silence button:
• Silences the panel buzzer on the control panel
• Acknowledges all current event messages
• Silences the panel buzzer on all remote annunciators
To silence the panel buzzer:
1. Press the Ack/Panel Silence button.
2. Determine whether the buzzer sounded in response to an alarm, trouble,
supervisory, or monitor event.
3. Determine the cause of the event.
Silencing notification appliances
WARNING: Do not silence notification appliances until the building is fully evacuated
and the cause of the alarm has been determined.
To silence or resound notification appliances:
1. Press the Signal Silence button.
Silencing NACs manually
Pressing the Signal Silence button turns off all silenceable NACs, including audibles
and visibles, depending on system programming. See “Programming in-suite signal
silence” on page 83.
When you silence the signals:
• The Signal Silence LED lights, indicating that the notification appliances are off
• If Genesis horn/strobe or horn-only devices are used on NACs programmed for
Genesis operation, Signal Silence silences the horns and strobes based on system
programming
Silencing NACs automatically
Two options let you silence NACs automatically: Auto Signal Silence and Suite Signal
Silence (in-suite signal silence). Both work by starting a timer when an event activates
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