399Step 2 Set start time, end time, and type.Step 3 Click Search.Device displays log list.NoteSelect logs on the list and then click Backup, select save path to backup logs tothe local PC.5.10.2.2 Developer LogIt is to save COM information so that the engineer can quickly find the problem.From main menu->Info->Log->Developer log, enter developer log interface. See Figure5-191.Figure 5-191Click to download the view the corresponding log file.5.10.3 Online UserIt is to display current online user, user group, IP address and login time.From main menu->Info->Online user the online user interface is shown as in Figure 5-192.NoteClick Refresh to get the latest online user information.Figure 5-192