Bosch NBN-733 用户手册

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页码 111
90
en | Setting up VCA
Camera Browser Interface
AM18-Q0635 | v5.6 | 2013.01
Software manual
Bosch Security Systems
Debounce time 1 s
The debounce time prevents very brief alarm events from 
triggering individual alarms. If the Debounce time 1 s option is 
activated, an alarm event must last at least 1 second to trigger 
an alarm.
Selecting the area
Select the areas of the image to be monitored by the motion 
detector. The video image is subdivided into square sensor 
fields. Activate or deactivate each of these fields individually. To 
exclude particular regions of the camera's field of view from 
monitoring due to continuous movement (by a tree in the wind, 
for example), the relevant fields can be deactivated.
1.
Click Select Area to configure the sensor fields. A new 
window opens.
2.
If necessary, click Clear All first to clear the current 
selection (fields marked red).
3.
Left-click the fields to be activated. Activated fields are 
marked red.
4.
If necessary, click Select All to select the entire video- 
frame for monitoring.
5.
Right-click any fields to deactivate.
6.
Click OK to save the configuration.
7.
Click the close button (X) in the window title bar to close 
the window without saving the changes.
12.2.4
Tamper detection
Detect tampering of cameras and video cables by means of 
various options. Run a series of tests at different times of the 
day and night to ensure that the video sensor is operating as 
intended.
Sensitivity and Trigger delay [s] can only be changed if 
Reference check is selected.
Sensitivity
The basic sensitivity of the tamper detection can be adjusted 
for the environmental conditions to which the camera is 
subject. The algorithm reacts to the differences between the