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HDD Info: HDD will use the S.M.A.R.T function to display HDD status. If there are many bad blocks,
the HDD may be compromised therefore you may need to change the HDD.
3.3.2. Sensor / Video Loss Detection Setup
Select the right type of your external sensors connected to NVR. There are 2 different types of sensors.
(N.O.- Normal Open and N.C.- Normal Close). Click the "Type" tap to change and select the sensor.
1) Sensor # (1~4): means sensor input number (terminal block of rear panel)
2) Type [Off / N.O. / N.C.]
N.O.: "Normal mode- Open". Two sensor lines are not connected (=open) in the normal mode.
Sensor lines will be connected (=close) in the activation mode.
N.C.: "Normal mode-Close". Two sensor lines are connected (=close) in the normal mode.
Sensor lines will be disconnected (=open) in the activation mode. Click OK to save and exit.
3) Cam: means the camera channel which the sensor is synchronized (connected) with when the
alarm is triggered. Once the camera is selected, "Cam channel and Preset Setup" window will
appear. Select a channel and setup the preset number. (ex, PTZ functional camera).
4) Video Loss State: Select ON or OFF for each channel. When the video loss on the certain channel
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