Dahua ITC231-RF1A-IR User Manual page 50

Detect line
Front/Rear
Car Region
C Area
C Check
Step 4. After lane line is drawn, it auto shows lane info.
 Click
corresponding lane to set.
 Click
to delete current lane line. Click Yes you are done.
Parameter
Virtual Lane
Physical Lane
Left Lane Line
Right Lane Line
Step 5. Click OK to set.
6.5.1.3.2 Video Analysis-Light Group
By setting camera installation position, you can measure video speed.
Select Setting>ITC>Intelligent>Video Analysis>Speed Measuring. After setup is complete, click OK.
Figure 6-32 Light Group
See
Warning:
Setup value must match actual value, otherwise video speed measurement will be inaccurate.
 Draw border line to trigger snapshot which is similar to actual coil. When
vehicle reach this line, snapshot will be triggered.
Detect line is available inside drawn region only.

 Select and click on redraw to drawn region as red box in Figure 4-8.
When you select front, lane arrow is downward. When you select rear, lane
arrow is upward. These are vehicle moving direction with different
representations.
Used to detect vehicle flow region.
Used to verify calibrated area.
Used to verify accuracy of calibration result.
Click "C Check", draw line in the area and it shows actual length.
Click "Redraw" to delete original line.
Note
Set drawn virtual lane name.
According to actual condition, set lane no.
Set lane line type, you can select white solid lane, white void line and
yellow lien.
Chart 6-15
and
Chart 6-13
Figure 6-31
Chart 6-14
.