PLANET HDVR-1630 - Manual (Page 44)

Hybrid Digital Video Recorder
HDVR series
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Buzz: When alarm happens, the device will send out a buzz.
5.3.2 Video Blind
When the video image is influenced by the environment such as poor brightness or reaching
the set sensitivity parameter, the camera mask function and the linkage function are turned on.
Though the same as motion detection function, video blind is different between hybrid mode
and full digital mode. The details are shown below.
Digital channel: It
not only enables video blind function at the local side, but also enables the
remote device that is connected. When the remote device is with video blind, the local side will
start alarm recording, otherwise this function is not enabled.
Hybrid mode:
It only enables video loss function at the local side.
Video Blind in Hybrid mode