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4-Channel Digital Video Recorder
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Video Blind
Highlight
Video Blind in the Event menu and press the button. The Video Blind setup screen appears.
Highlight
Use Ignoring Time and press the button to toggle between On and Off. When set to On, the DVR will
ignore video blind events occurred during the preset period. Highlighting Time Setup and press the button allows
you to set up event ignoring time.
Highlight the Actions tab, and the Video Blind Actions setup screen appears.
Highlight the box under the
Alarm-Out heading and press the button. Select between Alarm Output and Beep (DVR’s
internal buzzer) that you would like to activate and to sound whenever the DVR detects video blind on the selected camera.
NOTE: For the Alarm-Out action, the alarm output and beep you select should be set to the Event mode in the
Alarm-Out setup screen (Schedule tab).
Highlight the box under the Notify heading and press the button. You can toggle the entire list On and Off by highlighting
Notification and pressing the button. You can toggle the individual items On and Off by highlighting that item and
pressing the button. Highlight OK and press the button to accept your changes.
NOTE: For the Notify action, the notify item you select should be enabled in the Notification setup screen and
the DVR should be registered in the RAS (Remote Administration System).
Highlight the desired box under the PTZ heading, and press the button. A list of PTZ presets appear. Select the
preset position for each PTZ camera, where you want PTZ cameras to move to when the DVR detects video blind on
the selected camera’s input.
Figure 50 ─ Video Blind Settings setup screen.
The DVR checks to see if anything is blinding the camera.
Highlighting the box under the
Sensitivity heading allows
you to adjust the DVR’s sensitivity to video blind from 1
(least sensitive) to 15 (most sensitive).
NOTE: The DVR supports both Black Blind and White
Blind detection.
NOTE: Video blind might NOT be detected for a camera
with a very noisy image especially when set for low
sensitivity values.
Highlighting the box under the Activation Time heading allow
you to set the duration before the DVR will report a Video
Blind. The DVR will not consider any blindness on camera
video to be Video Blind if the blindness does not last during
the preset Activation Time after detected.
Figure 51 ─ Video Blind Actions setup screen.
The DVR can be set to react to video blind differently for each
camera. Each camera can be associated with another camera,
trigger an Alarm-Out connector, sound the DVR’s internal
buzzer, notify a number of different devices, and/or move PTZ
cameras to preset positions.
Highlight the box under the Record heading and press the
button. A list of cameras appears. You can associate as many
cameras with that camera as you wish. If the DVR detects
video blind on the selected camera, it starts recording video
from all the associated cameras.
NOTE: For the Record action, the camera you select
should be set to the Event or Time & Event recording mode
in the Record Schedule setup screen.