User's Manual

Operation Manual
62
and threshold according to the waveform.
3) Click
OK
.
Step 4 Set arming periods and alarm linkage action. For details, see "6.4.1.2 Alarm Linkage".
If the exiting schedules cannot meet the scene requirement, you can click
Add
Schedule
to add a new schedule. For details, see "6.4.1.2.1 Adding Schedule".
Anti-dither: After the
Anti-dither
time is set, the system only records one motion
detection event in the period.
Step 5 Click
Apply
.
6.4.3.2 Setting Video Tampering
The system performs alarm linkage when the lens is covered or video output is mono-color
screen caused by light and other reasons.
Step 1 Select >
Event
>
Video Detection
>
Video Tampering
.
Figure 6-55 Video tampering
Step 2 Click next to
Video Tampering
, and set arming periods and alarm linkage
action. For details, see "6.4.1.2 Alarm Linkage".
If the exiting schedules cannot meet the scene requirement, you can click
Add
Schedule
to add a new schedule. For details, see "6.4.1.2.1 Adding Schedule".
Step 3 Click next to
Defocus Detection
: The alarm is triggered when the image is
fuzzy.
This function is available on some select models.
Step 4 Click
Apply
.
6.4.3.3 Setting Scene Changing
The system performs alarm linkage when the image switches from the current scene to another
one.