User Manual

Table Of Contents
208
anges in the background image, you will be prompted for
alert. If you want to close the prompt, select Hide Reference Image Setup Dialog.
can optionally configure these settings:
Automatically Disable Alarm: Stops all types of triggered alerts, including computer alarm,
ecified duration. Disabling the alerts will not
disable alert settings and the detection in progress.
ng alert boxes
in the recorded files so that you can easily spot suspicious events during playback. Note that if
you are used to searching suspicious events with Object Search, do not enable this option.
These flashing boxes can cause false alarms.
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 below for possible risk.
Invoke Alarm: Enables the computer alarm when an assemblage is detected. Click the […]
button next to the option to assign a .wav sound file.
Output Module: Activates the output device when an assemblage is detected. Click the […]
button next to the option to assign an installed output module and a pin number.
Never Recycle: Prevents the system from recycling the event files of crowd detection when
the recycle threshold is reached.
9. You can click Test to test your settings. If an assemblage cannot be detected, decrease Ratio of
Changes to increase the system sensitivity for detection.
ct Active
deo Analysis Schedule later in this chapter.
n.
le gathers in the alarm region for the specified time, its location will be
highlighted on live video, the selected alarm or output will be activated, and the event will be recorded
as Crowd Detection in System Log for later retrieval.
7. Every time when the system detects ch
8. In the Options section, you
flashing boxes and output module after the sp
Embed Alarm Region into Recorded Video: This option will contain the flashi
10. To activate the function at certain times only, click the Schedule button and sele
Schedule. For details, see Vi
11. Click OK to apply the settings.
12. Start monitoring to run the applicatio
When a crowd of peop