Dahua DH-XVR54 L-I2 Series User Manual page 175

To configure the settings for the video loss detection parameters, see "5.10.4.1 Configuring
Motion Detection Settings".
For PTZ activation, different from motion detection, the video loss detection can activate PTZ
preset, tour, and pattern.
Click Apply to complete the settings.
Click Default to restore the default setting.

Click Copy to, in the Copy to dialog box, select the additional channel(s) that you want

to copy the motion detection settings to, and then click Apply.
5.10.4.3 Configuring Tampering Settings
When the camera lens is covered, or the video is displayed in a single color because of the causes such
as sunlight status, the monitoring cannot be continued normally. To avoid such situations, you can
configure the tampering alarm settings.
Select Main Menu > ALARM > Video Detection > Video Tampering.
Video loss
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User's Manual