Dahua NVR41 series User Manual

User's Manual
245
Parameter
Description
Alarm
Click
Setting
to set alarm parameters.
OSD Overlay: Check the box here; you can view the people amount
on the surveillance video.
Entry No.: You can set people entry amount. System can generate
an alarm once the amount has exceeded the threshold.
Exit No.: You can set people exit amount. System can generate an
alarm once the amount has exceeded the threshold.
Remaining No.: You can set people staying amount in the zone.
System can generate an alarm once the amount has exceeded the
threshold.
Period
Configure the period and in the set time range, the corresponding
configuration item will be linked to start the alarm.
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.
Alarm Upload
Select the check box. When an alarm occurs, the NVR device
uploads an alarm signal to the network (including the alarm center).
● This function is for some series products only.
● You need to set the alarm center first. For details, see "4.12.13
Alarm Center".
Send Email
Select the check box. When an alarm occurs, the NVR device sends
an email to the set mailbox to notify the user.
You need to set the email first. For details, see "4.12.10 Email".
Record Channel
Select the check box and select the needed recording channel
(support multiple choices). When an alarm occurs, the NVR device
activates the channel for recording.
You need to enable intelligent recording and auto recording first. For
details, see"4.1.4.6 Schedule".
PTZ Activation
Select the check box and click Setting to select the channel and PTZ
action. When an alarm occurs, the NVR device associates the
channel to perform the corresponding PTZ action. For example,
activate the PTZ in channel one to turn to the preset point X.
● Tripwire alarm supports to activate PTZ preset point only.
● You need to set the corresponding PTZ actions first, see "4.4.4
Calling PTZ Functions".
Delay
At the end of the alarm, the recording extends for a period of time.
The time range is from 10 seconds to 300 seconds.

Dahua NVR41 series Specifications

General

Brand	Dahua
Model	NVR41 series
Category	Network Hardware
Language	English