Figure 3-67 ModifyDouble click one mark information item, you can see system pops up a dialogue box for you to changemark information. You can only change mark name here. DeleteHere you can check the mark information item you want to delete and then click Delete button, you canremove one mark item. .Note After you go to the mark management interface, system needs to pause current playback. Systemresume playback after you exit mark management interface. If the mark file you want to playback has been removed, system begin playbacking from the first filein the list.3.8.6 Picture Playbacka) From Main menu->Search, or on the preview interface right click mouse, you can go to Figure3-63.b) At the top right pane, you can check the box to select picture and then select playback interval.c) Please refer to chapter 3.8.2 to select picture you want to view.3.9 Backup3.9.1 File BackupIn this interface, you can backup record file to the USB device.a) Connect USB burner, USB device or portable HDD and etc to the device.b) From Main menu->Backup, you can go to the Backup interface. See Figure 3-68.77
