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Appendix
Installation Manual for Special Application: License Plate Recognition
1. A 5-55mm or other more than 10X suitable vari-focal auto iris lens is
recommended. Connect regulated DC12V power supply to the power input at the
rear panel of camera. Connect BNC video cable to the video output at the rear
panel of camera.
2. Fix the camera on the bracket. Adjust the viewing angle of camera according to
the below recommendations:
For capturing the front plate no.: Setting the camera at a 15° or less vertical
angle will achieve the best performance. Do not let the vertical angle exceed
20° (Figure 1).
For capturing the back plate no.: The vertical angle must not exceed 30°
(Figure 2).
Capture zone distance: Between 15~20 meters from the camera.
3. Adjust the zoom of the vari-focal lens. The picture width should not exceed 1.5
traffic lanes at the capture zone.
Enter SETUP menu and select "DC" under LENS options.
4. In order to ensure a clear image under different light conditions, adjust the
settings once during the daytime and once during the nighttime is recommended
to achieve optimal results.
0°
<20°
15~20M
[Figure 2]
[Figure 1]
0°
<30°
15~20M
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