250
5.12 Alarm
Click the alarm function, and you can see an interface is shown as Figure 5-111.
Here you can set the device alarm type and alarm sound setup. (Please make sure you have enabled
the audio function of the corresponding alarm events.)
Figure 5-111
Please refer to the following sheet for detailed information.
Type
Parameter
Function
Alarm
Video loss
The system alarms when video loss occurs.
Type
Motion
detection
The system alarms when a motion detection alarm
occurs.
Tampering
The system alarms when the camera is maliciously
masked.
Disk full
The system alarms when the disk is full.
Disk error
The system alarms when a disk error occurs.
External alarm The alarm input device sends out an alarm.
IPC external
alarm
This refers to the on-off signal from a network
camera. It can activate the NVR local alarm
operation.
Summary of Contents for NV21 Series
Page 1: ...Network Video Recorder User Manual Version 1 0 4 Revised November 21st 2018 ...
Page 201: ...201 Figure 5 39 5 9 2 7 Email The email interface is shown as in Figure 5 40 ...
Page 214: ...214 Figure 5 58 ...
Page 227: ...227 Figure 5 77 Figure 5 78 ...
Page 245: ...245 Figure 5 102 5 10 2 Log Here you can view system log See Figure 5 103 Figure 5 103 ...