Dahua HCVR21**HS-S2 Series, Руководство пользователя

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HDCVI Series DVR User
’s Manual
110
Figure 4-16

Put the middle button at the centre of the zone you want to zoom in, and move the mouse, you
can view an interface shown as in Figure 4-17.
Figure 4-17
Right click mouse to cancel zoom and go back to the original interface.
3) Manual record function
It is to backup the video of current channel to the USB device. System can not backup the video of
multiple-channel at the same time.
Click button , system begins recording. Click it again, system stops recoridng. You can find the
record file on the flash disk.
4) Manual Snapshot
Click to snapshot 1-5 times. The snapshot file is saved on the USB device or HDD. You can go to
the Search interface (chapter 4.9.1) to view.
5) Mute (For analog channel only)
Click to mute. Click again to enable audio function when preview.
Please note this function is for one-window mode only or the max-size window of the 8-window
mode.
6) Bidirectional talk (For digital channel only)
If the connected front-end device supports bidirectional talk function, you can click this button. Click
button to start bidirectional talk function the icon now is shown as . Now the rest
bidirectional talk buttons of digital channel becomes null too.
Click again, you can cancel bidirectional talk and the bidirectional talk buttons of other digital
channels become as .
7) Remote device (For digital channel only)
Shortcut menu. Click it to go to the remote device interface to add/delete remote device or view its
corresponding information. Please refer to chapter 4.11.1.1.1 for detailed information.