396Figure 5-1865.8.9 Lock or Unlock FileOn the playback interface, click File list button, you can view file list (Figure 5-180.). Selecta file first and then click lock button . You can lock it in case it is overwrittenin the future.NoteThe file is writing or is overwriting cannot be locked.Click you can view the locked file. See Figure 5-187.Figure 5-187Select a file in the above figure and then click Unlock, you can unlock it. The locked filewill not be overwritten after you enabled overwrite function.5.9 Alarm
