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![](https://files.manualsfile.com/68573196-gv-snvr3203/bg6c.png)
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10.1.5 Defocus Detection
Use defocus detection to check whether the camera focuses properly.
1. Click
right to Trigger Actions and set action(s) to trigger. For
more details, see
9.10 Alarm-Triggered Actions.
2. (Optional) Click right to Arming Schedule and then set the
time when actions will be triggered.
3. Set detection sensitivity and then click Apply to save the settings.
10.1.6 Scene Change Detection
Use scene change detection to detect the change of surveillance
environment caused by external factors such as intentional rotation of
the camera.
1. Click
right to Trigger Actions and set action(s) to trigger. For
more details, see 9.10 Alarm-Triggered Actions.
2. (Optional) Click right to Arming Schedule and then set the
time when actions will be triggered.
3. Set detection sensitivity and then click Apply to save the settings.
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