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Video Intercom

Reference website https://www.youtube.com/watch?v=xrlINFzjaZo https://www.youtube.com/watch?v=2U8HxXsYIes https://www.youtube.com/watch?v=2U8HxXsYIes   https://www.youtube.com/watch?v=mXpeZwanOwI   (VTH and VTO) https://www.youtube.com/watch?v=9XcCOtL87bI

Network Bandwidth (The video is not fluid when I view in multiple-channel mode from the client-end.)

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https://dahuawiki.com/Troubleshoot/NVR/Choppy_Feed The video is not fluid when I view in multiple-channel mode from the client-end. The network bandwidth is not sufficient. The multiple-channel monitor operation needs at least 100M or higher. Your PC resources are not sufficient. For 16-ch remote monitor operation, the PC shall have the following environment: Quad Core, 2G or higher memory, independent displayer, display card memory 256M or higher. There is only mosaic no video when preview or playback video file remotely. There are following possibilities: Network throughput is not good. The PC's resources are limit. There is multiple-cast group setup in DVR. This mode can result in a mosaic video view. Usually we do not recommend this mode. There is privacy mask or channel protection setup. Current user has no right to monitor. DVR local video output quality is not good. Check out the Need More Recording Space Wiki article for more information on ho...

Zoom 27 04 20 Preview Control Interface

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https://dahuawiki.com/NVR/Basic_Setup/Preview_Control Preview Control Interface Move your mouse to the top center of the video of current channel, you can see system pops up the preview control interface. If your mouse stays in this area for more than 6 seconds and has no operation, the control bar automatically hides. Realtime Playback It is to playback the previous 5-60 minutes record of current channel. Please go to the Main menu->Setting->->System->General to set real-time playback time. System may pop up a dialogue box if there is no such record in current channel. Digital zoom It is to zoom in specified zone of current channel. It supports zoom in function of multiple-channel. Click button , the button is shown as . There are two ways for you to zoom in. Method 1: Drag the mouse to select a zone Method 2: Put the middle button at the centre of the zone you want to zoom in, and move the mouse, you can view an interface shown as in ...

Dahu Network Keyboard Dahua NKB1000 keyboard setup and Video Wall

Reference website: https://www.youtube.com/watch?v=e2RjvqFnVtk