Dahua N41C1P, User Manual, Page: 65 / 377

User's Manual
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When the image is in the enlarged status, you can drag the image toward any direction to
view the other enlarged areas. Right-click to cancel zoom and go back to the original video
image.
Figure 5-17 Zoom
5.6.3.3 Instant Backup
You can record the video of any channel and save the clip to a USB storage device.
Clicking to start the recording. To stop recording, click this icon again. The clip is
automatically saved to the connected USB storage device.
5.6.3.4 Manual Snapshot
You can take one to five snapshots of the video and save to a USB storage device.
Click
to take snapshots. The snapshots are automatically saved to the connected USB
storage device. You can view the snapshots on your PC.
To change the quantity of snapshots, select Main Menu > CAMERA > Encode > Snapshot, in
the Manual Snapshot list, select the snapshot quantity.
5.6.3.5 Two-way Talk
Background Information
You can perform the voice interaction between the NVR and the remote device to improve
efficiency of emergency.
Procedure
Step 1 Click to start two-way talk. The icon changes to . The rest two-way talk
buttons of digital channel become dimmed.
Step 2 Click again to cancel two-way talk.
5.6.3.6 Stream Switch
Click to switch the bit stream type of the main stream and sub stream according to
current network bandwidth.