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SIMPLEX 4100 FIRE INDICATOR PANEL Page 5

OPERATOR MANUAL

Document No: 4100-M001 May 1997 Issue 1.0

2.1 ABNORMAL CONDITIONS

When an abnormal condition has been detected by the system, the appropriate LED

will be flashing and the tone-alert will be beeping for alarm conditions. The

tone-alert will be on steady for isolate and fault conditions.

Pressing the appropriate <ACK> key (under flashing LED) will display the first

acknowledged condition in the appropriate list. The <ACK> function may be

passcode protected. If the user has insufficient privilege to acknowledge the

condition, a message will indicate the problem, but allow the user to view the points

without acknowledging them. If the user has sufficient privilege to acknowledge the

condition, a message is displayed informing the user that the condition has been

acknowledged. (See section 5.8 for Operator Access Levels and Log On

Procedures).

The system is configured with Global Change Acknowledge such that one press of

an <ACK> key will globally acknowledge every abnormal point in the system. If all

the points were acknowledged in this manner, an appropriate message is then

displayed . When the fault condition clears, the abnormal condition will

automatically clear. Alarm conditions must be acknowledged.

The acknowledge function imposes a delay of at least one second between

point acknowledgments. This minimum delay is to prevent the user from

pressing the <ACK> key without viewing the information displayed on the

alphanumeric display.

After all points have been acknowledged, the LEDs will be on steady and the

tone-alert will be silenced. The total number of alarm, isolate, and fault conditions

will be shown on the alphanumeric display along with a prompt to press the <ACK>

key for point review. Subsequent pressing of an <ACK> key will scroll through the

selected list in chronological order.

After 30 seconds of keypad inactivity, the total number of abnormal conditions will

again be shown on the alphanumeric display. Pressing the <ACK> key will select a

list for review. The first point to be displayed will either be the first acknowledged

point in the list, or the first point in the list if all are acknowledged.

Alarm, isolated and fault lists are displayed in chronological order. A message will

indicate when the end of a list has been reached. The list message will contain the

total number of abnormal conditions, such as the one alarm shown below.

***ALARM*** Press ACK to review.

ALARMS = 1 ISOLATED = 0 FAULT = 0

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 67 68

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