302
Global: It is global hotspare disk. When any RAID becomes degrading, it can replace and build the
RAID.
Local: It is local hotspare disk. When the specified RAID becomes degrading, it can replace and build
the RAID.
Select a hot spare device and then click Delete button. Click Apply button to delete.
Figure 4-195
4.10 Device Maintenance and Manager
4.10.1
Account
It is to manage users, user group and ONVIF user, set admin security questions.
Note
For the user name, the string max length is 31-byte, and for the user group, the string max length is
15-byte. The user name can only contain English letters, numbers and
“
_
”
、
“
@
”
、
“
.
”
.
The default user amount is 64 and the default group amount is 20. System account adopts two-level
management: group and user. The user authorities shall be smaller than group authorities (The
admin
user authorities are set by default).
For group or user management, there are two levels: admin and user. The user name shall be unique
and one user shall only belong to one group.
4.10.1.1 User
4.10.1.1.1 Add User
Step 1 From main menu->Setting->System->Account->User.
Enter user interface. See Figure 4-196.
Summary of Contents for NVR21-S2 SERIES
Page 1: ...Dahua Network Video Recorder User s Manual V 4 3 0...
Page 138: ...124 Figure 3 5 3 6 6 NVR42N Series Please refer to Figure 3 6 for connection sample Figure 3 6...
Page 142: ...128 Figure 3 11 3 6 12 NVR42V 8P Series Please refer to Figure 3 12 for connection sample...
Page 143: ...129 Figure 3 12...
Page 157: ...143 Figure 4 15 Step 2 Click device display edit interface See Figure 4 16...
Page 220: ...206 Figure 4 93 Figure 4 94...
Page 240: ...226 Figure 4 110 Figure 4 111 Figure 4 112...
Page 251: ...237 Figure 4 123 Figure 4 124...
Page 253: ...239 Figure 4 126 Click draw button to draw the zone See Figure 4 127...
Page 257: ...243 Figure 4 130 Click Draw button to draw a zone See Figure 4 131 Figure 4 131...
Page 262: ...248 Figure 4 136 Click draw button to draw the zone See Figure 4 137...
Page 275: ...261 Figure 4 148 Figure 4 149...
Page 276: ...262 Figure 4 150 Figure 4 151...
Page 387: ...373 Figure 5 60 Figure 5 61...
Page 388: ...374 Figure 5 62 Figure 5 63...
Page 412: ...398 Figure 5 96 Figure 5 97...
