24 LCD-160 Manual — P/N 51850:D2 10/07/2016
The LCD-160 Interface The Keypad
7.2.3 Status LED Indicators
There are nine labeled LEDs aligned along the bottom of the display, and one LED at the upper left
corner of the display. They light to annunciate certain conditions, as described in Table 7.1 below.
LED INDICATOR COLOR FUNCTION
Power Green Illuminates when AC power is within normal operating limits.
Fire Alarm Red Illuminates when at least one fire alarm event exists. It will flash if
any of these events are unacknowledged.
Pre-Alarm Red Illuminates when at least one pre-alarm event exists. It will flash if
any of these events are unacknowledged.
Security Blue Illuminates when at least one security event exists. It will flash if any
of these events are unacknowledged.
Supervisory Yellow Illuminates when at least one supervisory event exists. It will flash if
any of these events are unacknowledged.
System Trouble Yellow Illuminates when at least one trouble event exists. It will flash if any
of these events are unacknowledged.
Other Event Yellow Illuminates for any category of event not listed above, including MNS
alarms, Process Monitor, CO Alarm/Pre-alarm, Hazard and Weather
Alerts. It will flash if any of these events are unacknowledged.
Signals Silenced Yellow Illuminates if Notification Appliances have been silenced. It flashes if
some but not all of the NACs have been silenced.
Point Disabled Yellow Illuminates when at least one device has been disabled. It will flash
until all disabled points have been acknowledged.
Controls Active Green Illuminates when the LCD-160 assumes control of the node as a
primary display.
See “The Display and Control Center (DCC)” on page 27.
Table 7.1 LED Indicators
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