this camera has 6~22mm manual adjust lens.
To identity the letter on the tag, it need to be zoomed in narrower than 15 ft wide in target area.
And, distance from camera to target area need to be closer than 80ft.
2. setting brightness of license plate at night
There is on screen menu setting in the camera as above picture.
-Up/Down : move cursor
-Left/Right : change setting
Mode: select Road
Speed: select between 120, 150 and 180km depends on the brightness of license plate at night.
this speed affect the brightness of picture for both day and night time.
(when it is slower than 120km/h, tag at day time could be too bright.)
<Scene Bri, LED light>
this two setting affect the night picture brightness. the larger, the brighter.
<CDS Start>
To switch night mode earlier , changes it to 2
(the smaller it is, it switches to B/W at brighter condition)
1: Day mode all the time, 5:default
Because the brightness changes depends on the distance from LED of camera to vehicle,
installer need to check the brightness at night and select appropriate speed.
the faster it is , it becomes darker.
the slower it is, it becomes brighter.
<Tip1>
Each speed setting is preset with specified shutter speed as below.
30km/h-Flickerless, 60km-1/240s, 90km-1/480s, 120km-1/1000s,150km- 1/2000s, 180km-1/5000s
<Tip2>
do not adjust shutter speed/AGC/Brightness via UTC because it goes back preset setting by LCD controller when it power reboot.
<Tip3>
On screen setting as LED Light and CDS sensor setting.
<How to switch video TVI/CVBS>
Statistics: Posted by Wade — April 17th, 2019, 5:53 pm
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