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● Point to the center that you want to enlarge, and then scroll the mouse to enlarge the area.
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.
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
You can perform the voice interaction between the NVR and the remote device to improve efficiency
of emergency.
Procedure
Step 1
Click
digital channel become dimmed.
Step 2
Click
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.
● M: Main stream: Its bit streams are big and definition is high. It occupies large network bandwidth
suitable for video wall surveillance, storage and more.
● S: Sub stream: Its definition is low but occupies small network bandwidth. It is suitable for general
surveillance, remote connection and more. Some models support two sub streams (S1, S2).
Figure 5-17 Zoom
to start two-way talk. The icon changes to
again to cancel two-way talk.
. The rest two-way talk buttons of
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