Chapter 3: System operation
P/N 3102351-EN • REV 005 • ISS 28DEC18 149
When you silence the signals:
• The Signal Silence LED lights to indicate 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.
Pressing Signal Silence a second time while the panel is in an alarm state causes the
signals to turn on again.
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 the NACs. The
NACs are allowed to sound until the timer expires, after which they are automatically silenced.
The Auto Signal Silence option
Auto Signal Silence can be enabled when programming the panel. It affects all silenceable
NACs connected to the panel. The elapsed time can be set for 5 to 30 minutes. See “Activating
and restoring sensor bypass” on page 153.
The Suite Signal Silence option
The Suite Signal Silence option enables or disables in-suite signal silence for the selected
correlation group. This option affects only silenceable NACs associated with the correlation
groups. For more information on this programming option, see “Programming in-suite signal
silence” on page 88.
NACs that cannot be silenced
NACs configured as latched outputs cannot be silenced. This includes any device configured
as:
• Continuous Non-Silenceable Latched (Cont NS Latch)
• Supervised Outputs Latched (SupOut Latch)
• Continuous Non-Silenceable Class A Latched (Cont NS ClA Latch)
• Supervised Outputs Class A Latched (SupOut ClA Latch)
In addition, NACs activated by devices programmed as waterflow cannot be silenced until the
activated devices are restored to normal via a panel reset. After the waterflow device events
restore, the Signal Silence button or the auto signal silence timer can silence the NACs if there
are other events causing the NACs to activate. Waterflow activations do not invoke in-suite
signal silence.
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