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74 C1695M-B (11/08)
Table Z. Alarms Settings
Setting Description Default Setting
Alarm List
Displays Alarms 01–16. When an alarm is selected in the alarm list pane, the same alarm is
displayed in the “Alarm name” text box.
One programmable alarm input is provided for each video input. The alarm inputs are
organized as follows:
• Alarm inputs 1–4 map to video inputs 1–4
• Alarm inputs 5–8 map to video inputs 5–8
• Alarm inputs 9–12 map to video inputs 9–12
• Alarm inputs 13–16 map to video inputs 13–16
Select alarm
Alarm name Displays the name of the alarm. The DVR5100 allows you to modify the name.
No default
setting
Alarm Number Assigns a unique number to the selected alarm in the alarm list pane. 1
Associate camera
Displays the name of the associated camera. The associated camera must be configured to
record in response to the alarm selected in the alarm list pane.
No default
setting
Associate relay Displays the name of the associated relay.
No default
setting
Physical Input
Displays the number representing the physical connector to which the alarm input is
connected. This number cannot be modified.
0
Silence Alarm When selected, the alarm for the associated alarm input is silenced. Disabled
Supervised
When selected, the specified alarm input operates in the supervised alarm mode. When an
alarm is configured as a supervised alarm, the DVR5100 maintains a constant electrical
current through the alarm circuit (5.0 VDC, 10 kohm), including a 10-kohm resistor. If the
resistance changes, due to an electrical short or a bypass, the voltage fluctuates from its
normal state, causing the unit to trigger an alarm.
Disabled
Severity
Assigns the alarm severity for a particular alarm input. Alarm severity determines the type of
alarm (Minor [default], Normal, Major, Critical) that is broadcast when an alarm condition is
triggered. This, in turn, determines which users receive an alarm notification.
Minor
Polarity Selects the polarity for the alarm. Options are Normally Open (default) and Normally Closed. Normally open
Dwell time
Controls how long an alarm state remains engaged. The dwell time is set from 5 tenths of a
second to 1,000 tenths of a second (100 seconds). The default value is 110 tenths of a second
(11 seconds).
11 seconds
Follow the Input
Controls how long an alarm state remains engaged. When selected, this option causes the
alarm state to follow the input instead of being controlled by the dwell time. In this case, the
dwell time option is unavailable. The alarm state is engaged as long as the event that
triggered the alarm is active. For example, if an opened door triggered an alarm, the alarm
state is engaged until the door is closed.
Enabled
Pre-alarm Sets the length of pre-alarm video that you want to record. 5 minutes
Post-alarm Duration of the recording after the alarm has been received. 20 minutes
Comments
Provides instructions or actions that an operator should take if this alarm is triggered. The
comments are displayed in the Alarm Notification dialog box.
No default
setting