12Notes:① In the “Detailed File” list, by which recording channel is the current record file recorded is displayed at “Channel”, the startingand ending times of record packaging at “Record Time”, the size (unit: MB) of this record file at “Size”, and the type of thisrecord file at “Type”, with the two options of normal and alarm. The operation of outputting data from the selected record tothe USB memory can be performed in the “Backup” check box at the bottom right corner of the screen;② When you have selected a certain record file from the record list by moving the cursor up and down, press “Enter” to enterthe playback screen;③ If “Record Time Superimposition” has already been enabled in the “Basic Setup” screen, the playback screen will display theclock of recording; if “Record Time Superimposition” is set as “Off” in the “Basic Setup” screen, there will be no clock displayon the playback screen;④ During record playback, press “Slow” for slow play, press “Fast Forward” or “Fast Backward” for fast forward or backwardplay, or press “Pause/Frame” for pause or frame-by-frame play; press “Exit” to exit from the playback screen and return to themenu of the previous level;3.4 BackupEnter the “File List” (see 3.3 Video Search) screen for the backup operation.The record file may be backed up by a USB storage device. Before the record file is backed up, the user must insert theperipheral storage device into the USB2.0 slot of this unit. This product supports the plug-and-play operation of USB devices.Move the cursor up and down in the Detailed File List screen to select a certain record file. After “Enter” is pressed in the“Backup” check box, a “√” will appear in this box, indicating that this record file has been selected. The move the cursor to theoption box on the right and click “Backup”, when the screen will display the backup progress message of the file, as shown below:Notes:When the available space of the backup device is less than the capacity of the record file, the system will prompt the user with“Not Enough Space”;After the record file has been backed up, unplug the backup device directly;See Chapter 4 “DVR Network” for network backup.