4. Operation
Control Keys
58
AFP-100/AFP-100E Instruction PN 51010:C1 02/06/2002
4. Operation
Control Keys
The figure below shows the control keys on the control panel:
Figure 21 Control Keys
Acknowledge/Step
The
ACKNOWLEDGE
/
STEP
key silences the control panel sounder and changes all flashing LEDs to
steady. Only one key press is necessary regardless of the number of new alarms, troubles or
supervisory signals. When the panel sounder is silenced, an “Acknowledge” message is sent to the
printer and the history file. Multiple active events are scrolled on the display at a three second rate.
Acknowledge also automatically sends a “Silence Piezo” command to the LCD-2X20, AFM and LDM
Series annunciators.
When more than one event exists, the first press of the
ACKNOWLEDGE
/
STEP
key silences the panel
sounder and changes all flashing LEDs to steady. The second key press stops the scrolling and holds
the event on the display for 1 minute. Subsequent pressing of the key “steps” through each active event.
Alarm Silence
The
ALARM
SILENCE
key performs the same functions as
ACKNOWLEDGE
/
STEP
key. In addition, if an
alarm exists, it turns off all silenceable circuits and causes the Alarm Silence LED to turn on. It also
sends an “Alarm Silenced” message to the printer, the history file and the LCD-2X20. A subsequent
new alarm will resound the system.
Note:
The
ALARM
SILENCE
key operates on
silenceable
NAC outputs only.
Drill Hold 2 Sec.
When the
DRILL
key is held for 2 seconds (time required to prevent accidental activations), the control
panel turns on both control panel NAC outputs and all silenceable circuits (all control modules/NACs
that are programmed silenceable) and turns off the
ALARM
SILENCE
LED. The “Manual Evacuate”
message is shown on the LCD display. The same message is sent to the printer and history file.
System Reset
Pressing the
SYSTEM
RESET
key turns off all control modules and NACs, temporarily turns off resettable
power to 4-wire detectors, causes an “All Systems Normal” message to be displayed on the LCD and
stores “System Reset” in the printer and history file. It also turns on all LEDs, panel sounder and LCD
display segments as long as the
SYSTEM
RESET
key is held (lamp test). Any alarm or trouble that exists
after pressing the
SYSTEM
RESET
key will resound the system.
Control Keys
920
0di
sp.cdr
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