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What is the function of Anti-shake ?
The relationship between focal length and monitor distance
How to use the Time segment function?
How to adjust the image parameter like Brightness ,Sharpness, Saturation and Contrast?
How to login the camera on web for the first time ?
How to deal with the reflect light from car plate at night?
There are two camera video displayed at one channel randomly?
How to adjust the luminance of IR?
How to judge whether it is a fixed camera or a vari--focal camera?
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