HIKVISION N4225IH-DE User Manual page 10

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User Manual of Network PTZ Camera
inactivity.
 User Management
The camera allows you to edit users with different levels of permission, in the admin login status.
Multiple users are allowed to access and control the same network camera via network
simultaneously.
 3D Digital Noise Reduction
Comparing with the general 2D digital noise reduction, the 3D digital noise reduction function
processes the noise between two frames besides processing the noise in one frame. The noise
will be much less and the video will be clearer.
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