Manual - Surveillance System, Security Cameras, and CCTV ...

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� Invoke Alarm: Activates the computer alarm when a scene change is detected. Click the […]
button beside to assign a .wav sound file.
� Output Module: Activates the output device when a scene change is detected. Click the […]
button beside to assign the output module and pin number.
� Live disable alarm: Choose whether to invoke the warning message when a scene change
is detected. Click the […] button beside to display Figure 3-40.
Figure 3-40 Figure 3-41
Select Auto to close the warning message (Figure 3-41) automatically or select Manual to
close it manually. Under Delay Time(s), you can define the duration of a scene change to
invoke the message. The range of delay time is from 1 to 99999 seconds.
� Never Recycle: When the item is checked, the event files of scene changes will not be
recycled by the system.
� Demo: See three examples of Focus Change and View Change. Click the Play button to see
the demonstration.
� Skip Instant Light Change: Ignores sudden illumination changes and avoids false alarms.
For example, light switches can cause illumination changes suddenly. With the option
selected, the system will ignore significant illumination changes without triggering the alarm
and continue monitoring. See the Note in Crowd Detection later in this chapter for possible
risk.
3. To activate the function at certain times only, click the Schedule button and select Active
Schedule. For details, see Video Analysis Schedule later in this chapter.
4. Click OK to apply the settings.
5. Start monitoring to run the application.
When a scene change is detected, a warning message will appear on live video (if Live Disable
Alarm is enabled), the selected alarm or output will be activated, and the event will be recorded as
Scene Change in System Log for later retrieval.