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Operation
2.2
Switch Functions
2.2.1 Local Silence
When the Local Silence switch is pressed, the piezo sounder at the
LCD-80FC Indicator will be silenced.
2.2.2 Lamp Test
Pressing the Lamp Test switch will turn on all local Indicator LEDs,
piezo sounders and LCD display segments as long as the Lamp Test
switch is held.
2.3
LED Indicators
2.3.1 AC Power
This is a green LED which illuminates if AC power is applied to the
host FACP. The green LED will turn off if AC power to the host
FACP is lost.
2.3.2 Alarm
This is a red LED that turns on steady when one or more fire alarms
occur. The Alarm LED turns off when the Reset switch at the FACP
is pressed.
2.3.3 Supervisory
This is a yellow LED that turns on steady when one or more supervi-
sory conditions occur, such as a sprinkler valve tamper condition. It
turns off when the Reset switch at the FACP is pressed.
2.3.4 Trouble
This is a yellow LED that turns on steady when one or more trouble
conditions occur. The LED turns off when all trouble conditions are
cleared. This LED will also illuminate if the microprocessor watch-
dog circuit within the LCD-80FC is activated.
2.3.5 Alarm Silenced
This is a yellow LED that turns on when the Silence switch at the
FACP is pressed to turn off the Notification Appliance Circuits. The
LED turns off when the NACs turn back on or when the alarm con-
dition is cleared and the FACP is reset back to a normal condition.
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Document 53244 Rev. A 03/14/08 P/N 53244:A
Switch Functions
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