Presignal and Positive Alarm Sequence (PAS) Operation
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AFC-600 Operations PN 51033:A 3/8/99 81
The
FIRE
ALARM
LED flashes and the panel sounder pulses a steady tone. The control
panel latches until the alarm is corrected and you press the S
YSTEM
R
ESET
key to reset
the control panel. You have 15 seconds to acknowledge the alarm or the control panel
automatically activates all outputs programmed to F0. If you acknowledge the alarm
within 15 seconds, the control panel increases the delay time to the full Presignal Delay
Timer (60-180 seconds). You have the duration of the Presignal Delay Timer to respond
to the alarm before the control panel activates all outputs programmed to F0. You can
take the following actions:
• To increase the delay to the full programmed Presignal Delay Timer, press the
ACKNOWLEDGE
/
STEP
key. The panel sounder goes silent and the
FIRE
ALARM
LED
changes from flashing to steady.
• To abort the Presignal Delay Timer, turn off the panel sounder and all silenceable
output circuits and light the
ALARM
SILENCED
LED, press the
ALARM
SILENCE
key.
• To manually activate all outputs programmed to F0, press the
ALARM
ACTIVATE
key. The Manual Evacuate screen appears, the panel sounder pulses and the
FIRE ALARM
LED changes from flashing to steady. The Manual Evacuate screen
and Alarm screen display alternately at 3-second intervals.
If the Presignal Delay Timer reaches its programmed value, without operator
intervention, the control panel activates all outputs programmed to F0.
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