QT-400-4N Manual

15. Motion Detection settings
1) When surveying nearby objects (2-10 meters)
When in daytime, please set motion detection sensitivity as Normal level;
when in night, please set as low.
2) When surveying objects in 50-100 meters area
The objects 50-100 meters away will be quite small on the screen. When
in daytime, please set motion detection sensitivity as high level.
When in night as below, please set as normal level.
Note: the above suggestions are from many times’ tests. User can
select the best parameters according to the actual operation
environment.
16. Area Set
When the cursor moves to Alarm Set, then push enter button, the alarm
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