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AHD DVR User Manual
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Note: Sending email function needs to do relative setting in “Main Menu”  “Network”  “Net Service” .
Buzzer: means when alarm occurs, the equipment issues the "DiDi" sounds of two long ring.
Write Log: means when alarm occurs, it will write alarm log.
FTP Upload: means when alarm occurs, it will send alarm events to the FTP server.
Note: FTP upload function needs to do relative setting in “Main Menu”  “Network”  “Net Service”.
Mobile reported: means when alarm occurs, it will send alarm information to mobile terminal.
4.4.2 Video Blind
When the camera lens is covered, the video blind alarm and the linkage function are turned on.
Picture 4.24
Set method: refer to Chapter 4.4.1. Motion Detect.
4.4.3 Video Loss
When the DVR cannot obtain the channel video signal, the video loss alarm and the linkage function are turned on.