43
Indicators, Controls and Operations
again de-activates this function and the system will go back to normal.
9.4.4
Lamp Test Button
Activation of the Lamp Test button causes all front panel Indicators to steadily illuminate and
turns the buzzer ON steady. If Lamp Test is active for more than 10 seconds, Common Trouble
is activated.
9.4.5
ALM/SUP/TBL/BLDG AUDIBLE SIL Button (Buzzer Silence)
Activation of the ALM/SUP/TBL/BLDG AUDIBLE SIL button while the buzzer is sounding
silences the buzzer. The buzzer will resound if there is a subsequent event. Pressing the
button when the buzzer is not sounding has no effect.
9.5
Circuit (zone) disconnect buttons
Circuit (Zone) Disconnect pushbuttons are provided for all initiating indicating, and releasing
circuits on the Fire Alarm Control Panel. These pushbuttons are located beside their
respective indicating LED.
Pressing a Circuit Disconnect pushbutton bypasses the associated circuit and turns on its
Trouble Indicator, activating Common Trouble. Pressing a releasing circuit disconnect
pushbutton bypasses the associated releasing circuit and turns on its LED, activating common
supervisory. While a Circuit is disconnected, all changes in status (alarms and troubles) on
that circuit are ignored. The panel does not activate disconnected indicating circuits. Circuit
Disconnect pushbuttons are toggle switches; therefore, pressing an activated switch a second
time will un-bypass (reconnect) the circuit.
Disconnecting an active Latching Initiating Circuit (including Alarms, Water flow Alarm,
Sprinkler Alarm, General Alarm, and Latching Supervisory) does not affect its status until the
panel is reset. Disconnecting an active Non-Latching Initiating Circuit (including Non-Latching
Supervisory and Trouble-Only) causes them to behave as if the alarm situation has
disappeared. Disconnecting an active indicating circuit immediately deactivates the circuit.
When an Initiating Circuit Disconnect pushbutton is returned to the normal state (by pressing it
again in order to un-bypass the circuit), the panel checks the state of the circuit. If the circuit is
active, the Status Indicator flashes for 10 seconds at the Fast Rate without processing the
input. If the Circuit is not re-bypassed by then, it will be processed as a new input.
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