How to Use the Control Keys
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The control panel provides five Control Keys: A
CKNOWLEDGE
/S
TEP
,
ALARM
SILENCE
,
A
LARM
A
CTIVATE
, S
YSTEM
R
ESET
, and L
AMP
T
EST
.
ACKNOWLEDGE
/
STEP
Use the
ACKNOWLEDGE
/
STEP
key to respond to new alarm or
trouble signals. When you press the
ACKNOWLEDGE
/
STEP
key, the control panel does the
following:
• Silences the panel sounder
• Changes all active LED indicators from flashing to steady
• Sends an Acknowledge message to the History buffer and installed printers, CRT-2
terminals, and terminal mode LCD-80s
• Sends a signal to silence the sounders on the LCD-80 and ACS annunciators
You can also press the
ACKNOWLEDGE
/
STEP
key to display multiple alarms or troubles. If
more than one alarm or trouble exists, the control panel displays the next alarm or
trouble for 3 seconds (or until you press the
ACKNOWLEDGE
/
STEP
key), then displays the
next alarm or trouble.
ALARM
SILENCE
Use the
ALARM
SILENCE
key to silence the panel sounder and turn off
all audio and visual devices connected to Notification Appliance Circuits. When you
press the
ALARM
SILENCE
key, the control panel does the following:
• Turns off the panel sounder
• Turns off all silenceable output circuits
• Lights the
ALARM
SILENCED
LED
• Sends an Alarm Silenced message to the History buffer and installed printers,
CRT-2 terminals, and terminal mode LCD-80s
ALARM
ACTIVATE
Use the
ALARM
ACTIVATE
key to manually activate all programmed
outputs or to test notification appliances. To prevent accidental activation, you must
press the
ALARM
ACTIVATE
key for 2 seconds. When you press the
ALARM
ACTIVATE
key, the control panel does the following:
• Turns on all silenceable NACs
• Turns off the
ALARM
SILENCED
LED
• Sends a Manual Evacuate message to the History buffer and installed CRT-2
terminals, printers, and terminal mode LCD-80s
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Use the
SYSTEM
RESET
key to reset the control panel. When you press the
SYSTEM
RESET
key, the control panel does the following:
• Turns off all alarm-activated control/relay modules, NAC circuits, and Panel Circuits
• Breaks resettable power to four-wire detectors
• Sends an “All Systems Normal” message to the History buffer, and installed CRT-2
terminals, and terminal mode LCD-80s
If any alarm or trouble exists after you press the
SYSTEM
RESET
key, NACs, control
outputs, and panel audio and visual indicators will reactivate.
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Use the
LAMP
TEST
key to test the control panel LEDs and panel sounder.
When you press and hold the
LAMP
TEST
key, the control panel does the following:
• Lights all control panel LEDs
• Turns on the panel sounder
• Lights all segments of the LCD display
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