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Indicators, Controls and Operations

To test the CPU FAIL LED

1. Disconnect AC and batteries from the main board.

2. Connect AC and then connect the batteries as described in “Turning on the Panel” on

page 39.

If the CPU FAIL LED is functioning properly, it will flash once when the board powers up.

9.2 Common Controls

9.2.1 System Reset Button

The System Reset button resets the Fire Alarm Control Panel and all circuits. In particular, the

system reset button does the following:

• Resets all Latching Trouble Conditions

• Resets all Initiating Circuits

• Resets 4-Wire Smoke Supply

• Turns off all Indicating Circuits

• Turns off Signal Silence

• Turns off Fire Drill

• Stops and resets all Timers

• Processes inputs as new events

• Does not affect Aux Disconnect

9.2.2 Signal Silence Button

Activation of the Signal Silence button when the panel is in alarm deactivates any Silenceable

Indicating Circuits. Non-Silenceable Circuits are unaffected. Signals will resound upon any

subsequent alarm. Subsequent operation of signal silence resounds all Silenceable signals.

This button does not function during any configured Signal Silence Inhibit Timer period (see

section 11 on page 53). It also does not function if the Indicating Circuits are active as the

result of a Fire Drill.

9.2.3 Fire Drill Button

The Fire Drill button activates all Non-Disconnected (un-bypassed) Indicating Circuits, but

does not transmit any Alarms via the City Tie, Common Alarm Relay or Auxiliary Alarm Relay.

Fire Drill activates the signals in the evacuation code programmed. For example in the

Temporal Code, the signals will be pulsed ON for 0.5 seconds, OFF for 0.5 seconds in rounds

of 3 and then pause for 1.5 seconds and repeat.

Fire Drill is cancelled by pressing the button again, or if the Panel goes into a real alarm.

9.2.4 Lamp Test Button

Press the LAMP TEST button to make the front panel indicators steadily illuminate (except for

CPU FAIL) and to turn the buzzer on steady. If the lamp test is active for more than 10

seconds, the Common Trouble is activated.

Secutron MR-2306-DDR User Manual

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