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  1. J

    Help with VTH1550CH "door open" locked

    Hi I have 2 VTH1550ch the one on the ground floor is OK the one on the 1st floor as the buttons for unlocking of the door locked, usually we only use the one on the ground floor so it could be like this for ages. How can I access the door unlock button. Thank you Jorge
  2. J

    NVR DST winter time do we lose 1 hour recording

    Hello, I'm a newbie trying to configure/learn/understand my home IP surveillance system, I have a DHI-NVR4108-8P-4KS2, if we use DST when we change to winter time (at 2:00 AM we go back to 1:00AM) apparently the "new" 1:00 to 2:00 overlaps the previous recording, is there a way to retrieve the...
  3. J

    NVR4108 VTO2000A VTH1550CH integration

    HI, I've very little experience in this area and, now that I have some time, I'm trying to get the most of what I have installed at my home. I have a NVR4108-8P-4KS2 with 1 IPC-HDBW4431R-AS and 2 IPC-HDBW2431R-ZS cameras connected to it and a VTK-VTO2000A-VTH1550CH video intercom KIT the...
    • JMO
    • Thread
    • Replies: 8
    • Forum: Dahua
  4. J

    Hi From Portugal

    Hi all, I'm building a new house and decided to install a outdoors Video surveillance system myself. The property is a rectangle 13mX23m and the cameras will have to cover max 18m with the entry points for the house at max 14m. The cameras will not be subject to rain and 2 of them will not have...
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