NCA-2 Manual — P/N 52482:M5 03/20/2019 37
The LCD Display Operation
4.1.2 Special Function Keys
At the bottom of the keypad are the special function keys.
Arrow Keys - Pressing these keys navigates through the programming fields on a display screen by advancing or reversing the cursor
position.
+, - Keys - Use these keys to scroll forward to the next selections (+) or back to previous selections, on the display screen. The keys are
used when setting parameters in NCA-2 data fields, such as choosing a device type as a filter for requesting a Node History.
4.1.3 Soft Keys
The ten keys to the right and left of the display function to select commands that appear on the display. Each soft key points to a line of
text on the LCD screen; a particular soft key will select the item in that corresponding line of text. The currently selected item will flash,
serving as a cursor. Each screen has different information, and each key changes function to suit the screen. Beneath each screen in this
manual is a description of the function of each soft key.
4.1.4 Diagnostic Indicators and Controls
The NCA-2 keypad has eleven LED status indicators that light to annunciate conditions. Refer to Table 4.1 for the list of LED indicators
and their descriptions.
4.2 The LCD Display
The home screen is displayed when no alarms or troubles exist. It will display a message at the top which says “SYSTEM NORMAL.”
The LCD display is a 640-character screen, 16 lines x 40 characters. The user can customize the NCA-2 home screen.
In a System Normal message, Line one displays the local NCA-2’s 40-character custom node label saved in non-volatile memory (cre-
ated under the NCA-2’s Program/Alter Status menu or downloaded from VeriFire
®
Tools); Line 2 states “System Normal”; and Line 4
contains the local NCA-2’s node number.
The Main Menu is accessible using the corresponding soft key in the lower right of the LCD display. A text label should be drawn into
the custom bitmap graphic so that it is also visible on the graphic screen. The Main Menu screen is also selectable from any other screen
unless unacknowledged events exist. This allows the user, for example, to disable a point while a fire alarm exists.
If an event occurs, the Event Counts screen will be displayed automatically, displaying a count of different acknowledged and unac-
knowledged events as discussed in Section 4.2.2 “Event Counts Display”. You can select Multiple Event List to instead display a list of
all events, sorted as discussed in Section 4.2.3 “Multiple Event List”.
Indicator Color Description
CONTROLS ACTIVE Green Fire applications: Illuminates when the NCA-2 assumes control of the network as primary
display. (See Appendix D, “Display and Control Center (DCC)”.
Mass Notification applications: Illuminates when control is available.
POWER Green Illuminates when AC power is within normal operating limits.
FIRE ALARM Red Illuminates when at least one fire alarm event exists. It flashes when any of these events remain
unacknowledged.
PRE-ALARM Red Illuminates when at least one prealarm event exists. It flashes when any of these events remain
unacknowledged.
SECURITY Blue Illuminates when at least one security event exists. It flashes when any of these events remain
unacknowledged.
SUPERVISORY Yellow Illuminates when at least one supervisory event exists. It flashes when any of these events
remain unacknowledged.
SYSTEM TROUBLE Yellow Illuminates when at least one trouble event exists. It flashes when any of these events remain
unacknowledged.
OTHER EVENT Yellow Illuminates when an MNS alarm, process monitor, CO alarm, CO Pre-alarm, hazard alert, or
weather alert occurs. It will flash if any of these events remain unacknowledged.
SIGNALS SILENCED Yellow Illuminates if the NCA-2 Signal Silence key has been depressed or if any other node sends a
Network Silence command. It flashes if some points on a node are silenced.
POINT DISABLED Yellow Illuminates when at least one disabled device exists.
CPU FAILURE Yellow Illuminates if there is an abnormal hardware or software condition. The panel is out of service
when this LED is illuminated or flashing. Contact technical support.
Table 4.1 Status LED Indicator Descriptions
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