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Chapter 3: Quick Start
21
Programmable Feature
• Recognition Time
This is the programmed
waiting period to determine if
an alert condition has persisted
long enough to be considered a
valid alarm. If the sensor
returns to normal within
recognition time, then no
alarm will occur.
• Call Delay
This is the programmed
waiting period, before the first
telephone number is called, to
report an alarm.
• Intercall Time
This is the programmed
waiting period, in between
sequential dialing of telephone
numbers, to report an alarm.
• Max Calls
This is the total number of
telephone calls that will be
dialed in response to any valid
alarm. Telephone numbers are
dialed sequentially, and
continue to cycle until the
maximum number of calls is
reached. If no acknowledg-
ment occurs, then at the
completion of Max Calls, all
alarms are automatically
acknowledged.
Action—Response
1. THE Model 1108 DETECTS
AN ALERT CONDITION
An alert condition is not the same as a
valid alarm—the condition must
continue for the programmed time
period, or Recognition Time, before it is
recognized as a valid alarm.
2. A VALID ALARM IS CONFIRMED
An audible, on-site alarm message
begins and continues until the alarm is
acknowledged. (If the Mute feature is
turned on, there is no on-site message.)
Call Delay is activated.
3. DIAL-OUT BEGINS
Dial-out begins by calling telephone
number 1 to report an alarm.
If there is no acknowledgment, the
Model 1108 waits the programmed
Intercall Time before dialing subse-
quent telephone numbers. Dial-out
continues in this manner, cycling
through the remaining telephone
numbers, for the programmed Max
Calls.
4. THE ALARM IS
ACKNOWLEDGED
When the alarm is acknowledged, the
dial-out process is cancelled and the
audible, on-site alarm message stops.
3.4 Summary of the Alarm Dial-Out Process