Adjust the focus ring for optimal image clarity. Loosen the screw on the focus ring
(labeled Near/Far or ∞), and rotate the focus ring until the image is as sharp as
possible. Use a flat-head screwdriver to tighten the screw on the side of the lens.
Check the sharpness of a cone (or a real vehicle) in the image.
3. Check the live video. If the brightness is too high, loosen the screw on the aperture
ring, decrease the aperture to reduce the brightness, and then retighten the screw.
Use a flat-head screwdriver to tighten the screw on the side of the lens.
14
Note:
You can calculate the focal length of a zoom camera if you know the optical zoom ratio. To check the optical zoom ratio, choose
Settings
>
System
>
Visible Area
in the camera web system, click
Lens Info
, and check the value of
Optical zoom ratio
. If the focal length of an ITS camera ranges from 11 mm to 40 mm, an
optical zoom ratio of 1x indicates that the focal length is 11 mm, 2x indicates that the focal length is 22 mm, and so on.
The horizontal resolution of the license plate must be at least
120 pixels
. On the
View
page, click ,
frame the license plate on the live video image, and check its resolution in the lower part of the page.
Focus ring
Aperture ring
Search for and Log In
to a Camera
Adjust the
Camera Focus
Configure
Checkpoint Services
Adjust Camera Angles
Set Illuminator
Parameters
Commission the
Radar Detector
Adjust the Camera Focus
