21.2The Alert Condition
A pre-alarm is indicated if the analogue value of a smoke detector rises above a pre-
determined level, but not sufficiently to indicate a fire condition. It may indicate that a
fire condition is imminent.
The panel responds as follows:
•
The ALERT LED pulses.
•
The internal buzzer sounds continuously.
•
The LCD displays details of the event.
1:001 Z01 OPT ALERT
DEVICE
LOCATION
•
The event is printed if a printer is fitted.
•
Subsequent events will be displayed in the same way as for fire events.
•
During an alert condition the display of events of a lower priority is suppressed. To
view these events refer to section 23.27.
21.2.1User Actions
•
Switch the ACCESS CONTROLS keyswitch to the ON position to enable the
controls.
•
Press the SILENCE BUZZER switch.
The ALERT and BUZZER SILENCED LEDs go steady.
The internal buzzer silences.
•
Investigate and rectify the cause of the alarm.
•
When the cause of the alarm is cleared press the RESET switch to return the
system to the quiescent condition.
•
If a printer is fitted the user actions will be printed out in addition to the
automatic system events.
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