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Figure 16: Defocus detection window
To define defocus detection:
1. From the menu toolbar, click
Configuration
>
Smart Event
>
Defocus Detection
.
2. Select the
Enable Defocus Detection
check box to enable the function.
Sensitivity:
The range is between 1 and 100. The higher the sensitivity level, the
smaller the defocus required to trigger an alarm.
3. Specify the linkage method when an event occurs. Select one or more response
methods for the system when a defocus detection alarm is triggered.
Notify Alarm Recipient
Sends an exception or alarm signal to the remote management
software when an event occurs.
Send Email
Sends an email to a specified address when there is an alarm.
Note
: You must configure email settings before enabling this
option. See “To set up the email parameters” on page 17 for
further information. If you want to send the event snapshot
together with the email, select the “Attached Snapshot” option.
Focus
Tries to refocus the camera by adjusting the back-focus. Only
available on the box camera.
Trigger Alarm Output
Trigger external alarm outputs when an event occurs. Select
Select All
or each individual alarm output.
Note
: This option is only supported by cameras that feature an
alarm output.
4. Click
Save
to save changes.
Scene change detection
You can configure the camera to trigger an alarm when the camera detects a change in
the scene caused by a physical repositioning of the camera.
TruVision Stainless Steel IP Cameras Configuration Manual
47