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Operating Instructions
Remote Amplifiers 1-8 Fault
A yellow LED per remote amplifier (distributed audio) that turns on steady when an amplifier has a fault. Specific, additional fault indi-
cation is annunciated via the fault LEDs with the "wrench" graphic next to them on the keypad.
LOC/RPU/RM 1-8 Fault
A yellow LED per remote console that turns on steady when a remote console has a fault. Specific, additional fault indication is annun-
ciated by LEDs at the remote consoles.
A green LED per remote console that turns on steady when a remote console is active
Main Console Fault
A yellow LED that turns on steady when the main (or primary operator) console has a fault
AC Power
A green LED that turns on steady when AC power is present
Ground Fault
A yellow LED that turns on steady when a ground fault exists in the system
Charger Fault
A yellow LED turns on steady when the battery charger voltage is too high or low
Battery Fault
A yellow LED that turns on steady when battery voltage is too low
Data Bus Fault
A yellow LED turns on steady when the main and remote console(s) cannot communicate
NAC Fault
A yellow LED that turns on steady when the onboard NAC wiring is open or short-circuited.
NAC Active
A green LED that turns on steady when the NAC output is on
System Trouble
A yellow LED that turns on steady when any fault exists in the system
Audio Riser Fault
A yellow LED that turns on steady when the audio riser wiring is open or short-circuited
4.4 Operation
The NFC-50/100 continuously monitors system status. When no system alarm or local trouble conditions exist, all LEDs are off except
the AC Power On LED located on the front panel keypad. The Notification Appliance Circuits are off and all relays are in their normal
state.
4.4.1 Paging from the Microphone
1.
The NFC-50/100 main console must be in control of the system to perform a page. If the green System in Use LED is lit, press the
SYSTEM CONTROL button. The NFC-50/100 is ready to page once the System in Use LED turns off and the System Control LED
lights steady. If the System Control LED is already lit, this action is not required.
2.
Activate desired paging areas. Press either the ALL CALL button, to page to all speaker zones, or individual speaker zone buttons
(1-24). This will override the evacuation tone/message if the panel is in alarm and activate desired speaker circuits.
3.
Key the microphone by pressing the push-to-talk switch on side of microphone. Speak clearly into the microphone.
4.
When finished speaking, release the push-to-talk switch.
5.
Press the ALL CALL button (or individual speaker zone buttons pressed in step 2) to end the broadcast and continue the evacuation
tone/message.
6.
Press the SYSTEM CONTROL button to relinquish control of the audio system.
4.4.2 Manual Message Control
1.
The NFC-50/100 main console must be in control of the system to perform a page. If the green System in Use LED is lit, press the
SYSTEM CONTROL button. The NFC-50/100 is ready to page once the System in Use LED turns off and the System Control LED
lights steady. If the System Control LED is already lit, this action is not required.
2.
Activate desired message areas. Press either the ALL CALL button, to broadcast to all speaker zones, or individual speaker zone
buttons. This will override the evacuation tone/message if the panel is in alarm and activate desired speaker circuits.
3.
Press the desired message button.
4.
When the message has finished playing, press the ALL CALL button (or individual speaker zone buttons pressed in step 2) to
deactivate the message areas and continue the evacuation tone/message.
5.
Press the SYSTEM CONTROL button to relinquish control of the audio system.
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Notifier FirstCommand Series Manual — P/N LS10001-001NF-E:H 1/8/2018
Operation
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