8.2.2
Zoom
Zoom in specified zone of current channel. It supports zoom in function of multiple-
channel.
There are two ways for you to zoom in:
Put the middle button at the center of the zone you want to zoom in and use the
mouse wheel to zoom in.
Click button
, the button is shown as
. Click and drag the mouse to select
a zone to zoom in.
8.2.3
Manual video record
It is to back up the video of current channel to the USB device. System cannot 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.
8.2.4
Manual Snapshot
Click
to snapshot 1-5 times. The snapshot file is saved on the NVR Hard Drive. You can
go to the Search interface (chapter 4.5) to view.
8.2.5
Bidirectional talk
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
.
8.2.6
Registration
Click it to go to the registration interface to add/delete remote device or view its
corresponding information. For more information refer to chapter
7.1.1 Registration
8.2.7
Switch bit streams
Click
to switch the bit stream type of the main stream and sub stream.
M: Main stream. Its bit streams are big and definition is high. It occupies large network
bandwidth suitable for video wall surveillance, storage and etc.
S: Sub stream. Its definition is low but occupies small network bandwidth. It is suitable for
general surveillance, remote connection and etc. For more information refer to
chapter
7.1.3 Encode