User's Manual
252
Parameter
Description
Log
Select the check box, the NVR device records the alarm information in
the log when an alarm occurs.
Voice Prompts
Check the box and then select the corresponding audio file from the
dropdown list. System plays the audio file when the alarm occurs.
Refer to "4.18.1 File Management" to add audio file first.
Buzzer
Select the check box to activate the buzzer when an alarm occurs.
Step 5 Click
Apply
.
4.7.2.10 SMD
You can use SMD (Smart Motion Detection) to detect human and vehicle in the video, and
sore the detection result in structured storage for fast retrieval.
Step 1 Select
Main Menu
>
AI
>
Parameter
>
SMD
.
Figure 4-158
Step 2 Select and enable a channel, and then configure parameters.
Table 4-53
Parameter
Description
Sensitivity
The higher the value is, the easier it is to trigger an alarm. But at
the same time, the false alarm may occur. The default value is
recommended.
Effective Target
Choose human or vehicle or both.
Schedule
Configure the period and in the set time range, the
corresponding configuration item will be linked to start the alarm.
Summary of Contents for NVR41 series
Page 1: ...Dahua Network Video Recorder User s Manual ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V4 5 1...
Page 103: ...User s Manual 89 The following figure is for reference only Figure 3 51...
Page 122: ...User s Manual 108 Figure 4 21 Step 3 Set parameters See Table 4 5...
Page 139: ...User s Manual 125 Figure 4 33 Step 3 Set record type See Figure 4 34...
Page 295: ...User s Manual 281 Figure 4 182 Figure 4 183...
Page 416: ...User s Manual...
