User Manual

Video Analysis
3
ange before an alarm condition is triggered.
 Invoke Alarm: Activates the computer alarm when a scene change is detected. Click the […]
vice when a scene change is detected. Click the […]
button beside to assign the output module and pin number.
hen a scene change
 Delay Time(s): Sets the duration of a scene ch
button beside to assign a .wav sound file.
 Output Module: Activates the output de
 Live disable alarm: Choose whether to invoke the warning message w
is detected. Click the […] button beside to display Figure 3-42.
Figure 3-46 Figure 3-47
Select Auto to close the warning message (Figure 3-42) 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 this option is selected, the event files of scene changes will not be
recycled when the recycle threshold is reached.
 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 cha s without triggering the alarm
and con Detection later in this chapter for possible
dule button and select Active
s chapter.
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.
nge
tinue monitoring. See the Note in Crowd
risk.
3. To activate the function at certain times only, click the Sche
Schedule. For details, see Video Analysis Schedule later in thi
4. Click OK to apply the settings.
5. Start monitoring to run the
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