Dahua HCVR82**A-S3 Series, Руководство пользователя

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Input accurate time at the top column, you can search records of current day.
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System max displays 128 record files in one list.
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Click to go back to the calendar/channel selection interface.
4.10.8 Lock or Unlock File
In Figure 4-93, select a file first and then click . You can lock it in case it is overwritten in the future.
Note
The file is writing or is overwriting can not be locked.
Click you can view the locked file. See Figure 4-94.
Figure 4-94
Select a file in the above figure and then click Unlock, you can unlock it.
4.10.9 Other Aux Functions
4.10.9.1 Digital Zoom
In 1-window playback mode, left click mouse to select any zone on the screen, you can zoom in
current zone. Right click mouse to exit.
4.10.9.2 Switch Channel
During playback mode, select from the dropdown list to switch playback channel. This function is not
for the channel of no record. The smart search channel does not support this function either.
4.11 Backup