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.

 Alarm Input: Select the connected alarm. Sensor input1: The external sensor which

is connected to sensor input1 of the alarm input.

Note: You can set the alarm input function at alarm input page. (Please go “Setting →

Advance → Alarm input → Setting”). For more details, you can check Chapter

7.6.