Simplex 4100 - Supervisory Acknowledge Key

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4. Press the <ACK> key.
5. Press the <ACK> key again. The system responds by doing the following:
• Displays two messages “Processing Action” and “Action Taken.”
• If there are no other isolated points / zones, the system extinguishes the ISOLATE
indicator. (This indicator remains lit until all isolated points / zones are de-isolated.)
• Removes the text “ISOL-ALARM” within the alarm’s text message.
• Activates the EWS, if it is not isolated.
See “Resetting Points and Zones” for information on resetting a de-isolated point.
Isolating / De-isolating a Point / Zone, Continued
De-Isolating a Point /
Zone Currently in
Alarm, (continued)
Press ACK to confirm, ISOLATE to CANCEL
ZN2 will ALARM if DE-ISOLATED
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