Dahua N41C1P, User Manual, Page: 351 / 377

User's Manual
335
No. Icon Description
7 None
Includes eight function tiles: LIVE, PLAYBACK, An,
ALARM, POS, OPERATION, BACKUP, DISPLAY, and AUDIO.
Click each tile to open the configuration interface of the tile.
●
LIVE: You can perform the operations such as viewing
real-time video, configuring channel layout, setting PTZ
controls, and using smart talk and instant record
functions if needed.
●
PLAYBACK: Search for and play back the recorded video
saved on the Device.
●
ALARM: Search for alarm information and configure
alarm event actions.
●
An: Configure and manage artificial intelligent
events. It includes smart search, parameters, and
database.
●
POS: View POS information and configure related
settings.
●
OPERATION: View system information, import/export
system configuration files, or update system.
●
BACKUP: Search and back up the video files to the local
PC or external storage device such as USB storage
device.
●
DISPLAY: Configure the display effect such as displaying
content, image transparency, and resolution, and enable
the zero-channel function.
●
AUDIO: Manage audio files and configure the playing
schedule. The audio file can be played in response to an
alarm event if the voice prompts function is enabled.
6.4 Cluster Service
The cluster function, also known as cluster redundancy, is a kind of deployment method that
can improve the reliability of the device. In the cluster system, there is a number of main
devices and another number of sub devices (the N+M mode), and they have a virtual IP
address (the cluster IP). When the main device fails, the corresponding sub device will take
over the job automatically. When the main device recovers, the sub device will transmit the
configuration data, cluster IP address and videos recorded during the failure to the main
device which then takes over the job again.
In the N+M cluster system, there is a management server, the DCS (Dispatching Console)
server, which is responsible for timely and correct scheduling management of the main and
sub devices. When you create a cluster, the current device is used as the first sub device and