User's Manual
17
Figure 2-28 Front panel
Table 2-13 Icons
No.
Name
Function
1
Power button
Press it once to turn on the device.
Press it for a long time to turn off the device.
●
We do not recommend you turn off the device in
this way.
●
Press power button for a long time or pull out
the power cable might result in device auto
restart.
2
System HDD indicator
light
The blue light becomes on after system booted up
properly.
In the system HDD, there are device important
configuration file, factory default configuration file,
and device initial boot up data.
3
Alarm indicator light
The alarm indicator light becomes on once an alarm
occurred. It becomes on via the software detection.
The indicator light becomes on when there is a local
alarm.
4
Network indicator light The blue network indicator light is on after you
connected the device to the network.
5
USB port
—
6
Front panel lock
—
For general NVR616-4KS2/NVR616-XI/NVR50-EI series, the front panel is shown as below.
Summary of Contents for NVR21-4KS3 Series
Page 1: ...Network Video Recorder User s Manual ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V2 3 5...
Page 97: ...User s Manual 77 Figure 2 118 Alarm input port 1...
Page 123: ...User s Manual 103 S3 NVR41 EI NVR41 P EI NVR41 8P EI Figure 3 48 Typical connection...
Page 129: ...User s Manual 109 Series Figure 3 56 Typical connection...
Page 142: ...User s Manual 122 Figure 5 9 Unlock pattern login...
Page 156: ...User s Manual 136 Figure 5 24 AcuPick human detection...
Page 225: ...User s Manual 205 Figure 5 92 AcuPick human detection...
Page 399: ...User s Manual 379 Figure 5 268 Pattern login...
Page 436: ...User s Manual 416 Figure 5 306 File management Step 2 Click Add Figure 5 307 Add file...
Page 456: ...User s Manual 436 Figure 5 330 Shutdown 2...
Page 485: ...User s Manual...
