Dahua Technology LE-A User Manual
Page 103
103
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.