Dahua NVR41 series

User's Manual
265
Figure 4-171
Step 3 Set
Alarm-in Port
channel number and then select the Enable check box to enable
the function.
Step 4 Configure parameters. See Table 4-55.
Table 4-55
Parameter
Description
Alarm-in Port
Select a channel to set alarm.
Enable
Check the box to enable the function.
Alarm Name
Enter an alarm name.
Device Type
NO (normal open) or NC (normal close).
Schedule
Define a period during which the alarm is active. For details, see
"4.8.5.1 Motion Detection".
Alarm-out Port
The alarm device (such as lights, sirens, etc.) is connected to the alarm
output port. When an alarm occurs, the NVR device transmits the alarm
information to the alarm device.
Post-Alarm
When the alarm ends, the alarm extended for a period of time. The time
range is from 0 seconds to 300 seconds.
Show Message
Check box to enable a pop-up message in your local host PC.