Dahua DHI-NVR5208-4KS2 - Page 237

Local Basic Operation 226
Figure 4-165
Step 3 Set Alarm In channel number and then select the Enable check box to enable the
function.
Step 4 Configure parameters. See Table 4-44.
Table 4-44
Parameter
Description
Alarm in
Select a channel to set alarm.
Enable
Check the box to enable the function.
Alarm
Name
Enter an alarm name.
Type
NO (normal open) or NC (normal close).
Period
Define a period during which the alarm is active. For details, see "Setting Period
in 4.8.5.1 Motion Detect."
Alarm Out
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.
Latch
When the alarm ends, the alarm extended for a period of time. The time range is
from 0 seconds to 300 seconds.