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3) Hold down the left button of the mouse, drag to select the region to be detected, and
set up its sensitivity and threshold value.
Channel alarm events: As long as any one of the four regions triggers alarm, the channel
that houses the region will give alarm.
4) Click OK to finish configuration.
Configure alarm linkage parameters. See Table 5-1 for details.
Table 5-1 Relay activation parameter description
Parameter Description
Post-
Record
The record keeps running for the defined time after alarm is ended.
Record
Channel
Select the Record Channel check box and select a record channel(s), when an
alarm event occurs, the corresponding channel starts recording automatically.
Two more conditions must be satisfied before alarm recording function works:
The motion detection recording is enabled. For details, see “3.7.1 Record.”
The auto recording is enabled. For details, see “3.6 Configuring Record Mode.”
Anti-dither
Click More to set the anti-dither time.
The system records only one event during this period.
Log
Click More, and select the corresponding check box to enable the device to create
a local alarm log when an alarm event occurs.
Send Email
Click More, and select the corresponding check box. When an alarm event occurs,
the system sends email to the specified mailbox.
Set your e-mail first before enabling this function. See “5.5.4 Email” for detailed
operations.
Click OK.
5.1.1.2 Video Loss
When video loss occurs, the system triggers an alarm and configured actions.
On the main WEB interface, select Alarm > Video Detection > Video Loss.
The Video Loss interface is displayed. See Figure 5-3.
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