Dahua Technology HE-T User Manual
Page 116

116
Figure 7-39
Please refer to the following sheet for detailed information.
Parameter Function 
Event 
Type 
It includes local alarm/network alarm. 
Local alarm: Device detects alarm from input port. 
Network: Device detects alarm from network. 
Alarm in
Select corresponding alarm channel.
Enable
You need to draw a circle here so that system can detect the alarm 
signal. 
Type
There are two options: normal open and normal close. NO becomes 
activated in low voltage, NC becomes activated in high voltage. 
Period
Alarm record function becomes activated in the specified periods. 
There are six periods in one day. Please draw a circle to enable 
corresponding period. 
Select date. If you do not select, current setup applies to today only. 
You can select all week column to apply to the whole week. 
Click OK button, system goes back to alarm setup interface, please 
click save button to exit. 
Anti-dither System only memorizes one event during the anti-dither period. The
value ranges from 0 to 15s.
Normal 
Out 
Enable alarm activation function. You need to select alarm output port 
so that system can activate corresponding alarm device when alarm 
occurred. 
Alarm 
Latch 
System can delay the alarm output for specified time after alarm 
ended. The value ranges from 10 seconds to 300 seconds. 
Alarm 
upload 
System can upload the alarm signal to the centre (Including alarm 
centre. 
Record 
Channel 
System auto activates current channel to record once alarm occurs 
(working with alarm activation function). Please note current device 
shall be in auto record mode (Chapter 4.4 Schedule). 
Record 
Latch 
System can delay the record for specified time after alarm ended. The 
value ranges from 10s to 300s. 
Please draw a circle to enable email function. System can send out 
email to alert you when alarm occurs and ends. 
Tour
Display the selected video in local monitor window. 
Tour interval and tour mode are set in DVR local menu (chapter 5.3.9 
Display ) 
PTZ 
activation 
Here you can set PTZ movement when alarm occurs. Such as go to 
preset x when there is an alarm. 
The PTZ configuration events include preset, tour, and pattern. 
