User manual

D520E User Manual
 Use Alarm Buffer：Select Use alarm buffer when you forward the image and video
of before and after the alarm detection (pre-alarm, post-alarm). If you do not select it,
only the image of the moment of the alarm detection is forwarded. Click Alarm
buffer to display the Alarm buffer setting menu.
Note: You can set the alarm buffer function at alarm buffer page. (Please go “Setting
→ Advance → Alarm buffer → Setting”). For more details, you can check
Chapter 7.7.
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