12.1.2 Edit the Admin User ................................................................................................ 132
12.1.3 Edit an Operator/Guest User .................................................................................. 133
12.2 Manage User Permissions ................................................................................................ 133
12.2.1 Set User Permissions ............................................................................................... 133
12.2.2 Set Live View Permission on Lock Screen ................................................................ 136
12.3
Congure Password Security ........................................................................................... 137
12.3.1 Export GUID File ...................................................................................................... 137
12.3.2 Congure Security Quesons .................................................................................. 137
12.3.3 Congure Reserved Email ....................................................................................... 138
12.4 Reset Password ................................................................................................................ 139
12.4.1 Reset Password by GUID ......................................................................................... 139
12.4.2 Reset Password by Security Quesons ................................................................... 140
12.4.3 Reset Password by Reserved Email ......................................................................... 140
Chapter 13 System Management ............................................................................................ 142
13.1 Congure Device .............................................................................................................. 142
13.2 Congure Time ................................................................................................................. 142
13.2.1 Manual Time
Synchronizaon ................................................................................. 143
13.2.2 NTP Synchronizaon ............................................................................................... 143
13.2.3 DST Synchronizaon ............................................................................................... 143
13.3 Network
Detecon ........................................................................................................... 144
13.3.1 Network Trac Monitoring ..................................................................................... 144
13.3.2 Test Network Delay and Packet Loss ....................................................................... 144
13.3.3 Export Network Packet ........................................................................................... 145
13.3.4 Network Resource
Stascs .................................................................................... 145
13.4 Storage Device Maintenance ........................................................................................... 146
13.4.1 Bad Sector
Detecon .............................................................................................. 146
13.4.2 S.M.A.R.T. Detecon ................................................................................................ 147
13.4.3 HDD Health
Detecon ............................................................................................. 148
Network Video Recorder User Manual
xvi