Sensaphone 400 - Manual (Page 97)

Chapter 7: Operation
95
Chapter 7: operatIon
After installation and programming is completed, the Model 400 is fully
operational. This chapter explains the sequence of events that occur during
an alarm dialout to illustrate how the Model 400 operates.
7 .1 alarm deteCtIon, dIal-out and
aCknowledgment
Generally, an alarm event is structured in the following manner:
I. The Model 400 detects an alert condition due to a change at the sensor.
II. A valid alarm is recognized.
III. Dial-out begins.
IV. The alarm is acknowledged.
Often, an alarm does not proceed through all stages: either an alert condi-
tion does not persist long enough to be considered valid, or a valid alarm is
cancelled.
The table on the following pages explains the alarm detection, dial-out and
acknowledgment features and lists important variable factors affecting their
operation.