Velleman DVR4T2 Guia De Instalacion página 19

CAMERA
DETECTION
ALERT
NETWORK
DISPLAY
RECORD
DEVICES
DCCS
IVS
NOTIFY
EXIT
 CAMERA: Select the camera channel that you want to use with the IVS function.
 IVS MODE: Select one of the following three modes depending on your environment:
Mode Description
A virtual detection line is set to detect the moving direction of pedestrians for flow
FLOW COUNTING
counting.
A virtual detection line is set to detect intruders crossing the detection line, and an
VIRTUAL FENCE
alarm will be triggered.
A virtual detection line is set to detect intruders from the specified direction, and an
ONE WAY
alarm will be triggered.
 DISPLAY LINE: Select to display the detection line for IVS on the screen or not.
 SENSITIVITY: Set the sensitivity for IVS from 00-15. The larger the value, the more sensitive the IVS
will be.
 RESET COUNT: Click SUBMIT to reset the flow counting number to 0 when the IVS mode is set to FLOW
COUNTING and activated.
 VIRTUAL FENCE AREA: Click SETUP to draw the detection line for IVS, and set the detection direction. This
area setting is the detection base for IVS MODE.
 SCENE CHANGE: Select ON to trigger a motion event when the camera is moved and the camera scene
changes. At the same time, the icon
 SCENE CHANGE LEVEL: Set the detection sensitivity for SCENE CHANGE to HIGH, MIDDLE or LOW.
14.1 Flow Counting
1. Go to VIRTUAL FENCE AREA to draw a detection line with your mouse,
and decide the detection direction by selecting REVERSE.
2. Finish the IVS setting and return to the live view. The IVS icon
be shown on the status bar.
3. Click it to show the flow counting panel as follows. When anyone walks
across the detection line, the system will determine if the movement is
in or out, and add one count to the corresponding channel on the flow
counting panel.
IN People coming from the opposite direction to the arrow mark.
OUT People coming from the same direction as the arrow mark.
V. 01 – 13/05/2016
DVR4T2
ADVANCED CONFIG
IVS1 IVS2 IVS3 IVS4
CAMERA
IVS MODE
DISPLAY LINE
SENSITIVITY
RESET COUNT
VIRTUAL FENCE AREA
SCENE CHANGE
SCENE CHANGE LEVEL
will also be shown on the screen in addition to the motion icon
19
CH3 
FLOW COUNTING 
OFF 
07
SUBMIT
SETUP
OFF 
MIDDLE 
will
.
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