HIKVISION DS-TMC403-E, Manual, Page: 7 / 12

7. Pixel adjustment
(1) License plate recognition position and pixel points

The trigger recognition range of the capture camera is 3.5-5 meters, and the best
position is 4 meters (the distance between the trigger capture and the camera); the
capture position of the capture camera is best at the lower 1/3 of the overall image;

The pixel size of plate character height should be between 25~30.
(2) Pixel adjustment and picture clarity

If the recognition trigger position is in the best state and the pixels are still not
satisfied, you can adjust the pixel point and the clarity of the picture by adjusting
the focus. The specific adjustment position is shown in the figure on the right.