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The actual access signal must match the signal mode that checked. If
the "HD" mode is selected for one channel, it can be connected to TVI /
CVBS / AHD / CVI signals; when the switching signal causes an
abnormality to be displayed, the video cable can be reconnected; if the
channel is selected as "IP" mode, then it is an IP channel and IP device
can be connected.
For preview interface, when the HD (TVI / CVBS / AHD / CVI) channel
without video signal, the channel name will be prompted "HD VIDEO".
When the IP channel without video signal, the channel name will be
prompted "NO VIDEO".
5.3.6.6 Local Alarm
After the XVR device is connected to the alarm device through the alarm
input port, when the alarm signal is transmitted to the XVR device through
the alarm input port, the system performs an alarm linkage action.
The steps are as follows:
Step 1:
On the menu page, select "Configuration →Local Alarm" to enter the
local alarm configuration interface, as shown in Figure 5-49.
Step 2:
Check the Enable "
" to open the local alarm, select the alarm
input port according to the actual needs, configure the alarm name, time
period and corresponding linkage alarm, such as "Screen display", "Send
mail" and "Buzzer alarm".
Step 3:
Click "Apply" to save the configuration.
Figure 4-49
Enable:
Turns on / off local alarm.
Alarm input:
Select the alarm input.