22 NFS2-640 Operations P/N 52743:L4 06/10/19
Operation of the Control Panel Mass Notification Mode of Operation
Figure 3.4 Sample MN Alarm Display
• Sends an Alarm message to the LCD display, remote annunciators, History buffer, installed
printers, and CRT-2s.
• Latches the control panel in MN alarm. (You can not return the control panel to normal
operation until you correct the alarm condition and reset the control panel)
• Initiates any Control-By-Event actions
• Activates special zone ZFD (Not applicable for First Command applications)
• Sends an Alarm message to the proprietary receiver via the network, if applicable
3.4.2 How to Respond to an MN Alarm
If the control panel indicates an MN alarm, you can do the following:
•
To silence only the panel sounder:
Press the ACKNOWLEDGE/SCROLL DISPLAY key. The local sounder will silence. The control
panel will send an acknowledge message to the LCD display, remote annunciators, history
buffer, installed printers, and CRT-2s. If multiple MN alarms are present on the fire panel, the
ACKNOWLEDGE/SCROLL DISPLAY key must be pressed for each alarm.
•
To silence the panel sounder and any activated outputs that are programmed as silenceable:
Press the SIGNAL SILENCE key. The FIRE ALARM LED and SIGNALS SILENCED LED light steady.
The control panel sends an Signal Silenced message to the remote annunciators, history buffer,
installed printers, and CRT-2s. The figure below shows a sample Alarm Silenced message.
Figure 3.5 Sample MN Alarm Silenced Message
1. Correct the condition causing the MN alarm.
2. When you finish correcting the MN alarm condition, press the
SYSTEM RESET key to return the
control panel to normal operation (indicated by the “System Normal” message). The control
panel sends a “System Normal” message to the LCD display, History buffer and installed
printers, FDU-80 annunciators, and CRT-2s.
3.4.3 How the Control Panel Indicates a Mass Notification
Supervisory
When an initiating device activates, the control panel does the following:
• Produces a warbling audible tone
• Activates any supervisory relays and devices programmed as Supervisory Pending, General
Supervisory or General Pending
• Flashes the panel’s Supervisory LED
• Displays a Type Code that indicates the type of device that activated the MN supervisory
Status banner
Time and date of the
Alarm Silenced
SIGNALS SILENCED
03:12P 041515 Tue
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