User's Manual
324
You can configure up to four detection regions. When any one of the four regions
activates an alarm, the channel where this region belongs to will activate an alarm.
6) Right-click to exit the page.
Step 4
Click
Setting
next to
Schedule
to configure the alarm schedule.
Step 5
Configure the anti-dither period.
If multiple alarms occur during the anti-dither period, the system only record the event
once.
Step 6
Configure alarm linkage. For details, see
Network Video Recorder_User's Manual
.
Step 7
Click
Apply
.
5.10.6 Audio Detection
The system can generate an alarm once it detects the audio is not clear, the tone color has changed
or there is abnormal or audio volume change.
Procedure
Step 1
Select
Main Menu
>
ALARM
>
Audio Detection
.
Step 2
Select a channel and then click
to enable detection of audio exception and
intensity change.
●
Audio Exception
: The system generates an alarm when the audio input is abnormal.
●
Intensity Change
: Set the sensitivity and threshold. An alarm is triggered when the
change in sound intensity exceeds the defined threshold.
Step 3
Click
Setting
next to
Schedule
to configure the alarm schedule.
Step 4
Configure alarm linkage. For details, see Table 5-50.
Step 5
Click
Apply
.
5.10.7 Thermal Alarm
Background Information
After receiving the alarm signal from the connected thermal devices, the system can recognize the
alarm type, and then trigger the corresponding alarm actions.
The system supports heat alarm, temperature (temperature difference) and cold/hot alarm.
●
Heat alarm: The system generates an alarm once it detects there is a fire.
●
Temperature (temperature difference): The system triggers an alarm once the temperature
difference between two positions is higher or below the specified threshold.
●
Cold/hot alarm: The system triggers an alarm once the detected position temperature is higher
or below the specified threshold.
Содержание NVR21-4KS3 Series
Страница 1: ...Network Video Recorder User s Manual ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V2 3 5...
Страница 97: ...User s Manual 77 Figure 2 118 Alarm input port 1...
Страница 123: ...User s Manual 103 S3 NVR41 EI NVR41 P EI NVR41 8P EI Figure 3 48 Typical connection...
Страница 129: ...User s Manual 109 Series Figure 3 56 Typical connection...
Страница 142: ...User s Manual 122 Figure 5 9 Unlock pattern login...
Страница 156: ...User s Manual 136 Figure 5 24 AcuPick human detection...
Страница 157: ...User s Manual 137 Figure 5 25 AcuPick motor vehicle detection Step 5 Configure the search conditions as needed...
Страница 160: ...User s Manual 140 The shortcut menu is different for different models Figure 5 28 Shortcut menu 1...
Страница 225: ...User s Manual 205 Figure 5 92 AcuPick human detection...
Страница 226: ...User s Manual 206 Figure 5 93 AcuPick motor vehicle detection Step 5 Configure the search conditions as needed...
Страница 399: ...User s Manual 379 Figure 5 268 Pattern login...
Страница 436: ...User s Manual 416 Figure 5 306 File management Step 2 Click Add Figure 5 307 Add file...
Страница 456: ...User s Manual 436 Figure 5 330 Shutdown 2...
Страница 485: ...User s Manual...