Huawei ITS Quick Manual page 8

Adjust the Lens
Two-Lane Detection by Super Low-Light Checkpoint Camera – Large-sized High-speed Vehicles
Occupying Lanes (with 20 mm Lens)
Determine Scenario
Requirements
Note:
Laser pointer position: in the middle of the lane and
21 m away from the pole
Adjust the Illuminator
Install Illuminators
5
Install and Adjust
Light Spot Radar Detectors