AFP-200 Instruction PN 15511:F2 10/11/99 59
Figure 4-1 The Membrane Switch Panel
4. Operating Instructions
4.1 Switch Functions
Acknowledge/Step
The Acknowledge/Step switch silences the piezo sounder and changes all flashing conditions to steady. Only
one key press is necessary regardless of the number of new alarms, troubles or supervisory signals. If the piezo
sounder is silenced, the control panel sends an acknowledge message to the printer and history file. Acknowl-
edge also automatically sends a special command to the LCD-80 and ACS annunciators to silence their piezo
sounders.
If more than one event exists, the control panel advances the LCD display to the next item and holds there for
20 seconds, or until the Acknowledge/Step switch is pressed again (Step function).
Alarm Silence
Pressing the Alarm Silence switch performs all functions of the Acknowledge/Step switch. In addition, if an
alarm exists, the control panel turns off all silenceable circuits and lights the Alarm Silence LED. The control
panel sends an alarm silenced message to the printer and the history file.
Note: A subsequent new alarm will resound the system.
Drill
The control panel waits for the Drill switch to be held for two seconds (to prevent accidental activations), then
turns on all silenceable circuits (all CMX modules and Notification Appliance Circuits that are programmed as
silenceable) and turns off the Alarm Silence LED. The control panel sends a “Manual Evacuate” message to the
LCD display, LCD-80, printer, and history file.
System Reset
Pressing the System Reset switch turns off all CMX modules and Notification Appliance Circuits, breaks
resettable power to four-wire detectors, and sends an “All Systems Normal” message to LCD display, LCD-80,
printer, and history file. It also turns on all LEDs, piezo, and LCD display segments for as long as the System
Reset is held (lamp test). Any alarm or trouble that exists after System Reset will resound the system.
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