EventAlarm
From Dahua Wiki
Event Alarm
PIR Alarm
Parameter |
Function |
Enable |
After enabled, relay activation will work. Check it and enable the PIR alarm. |
Working period |
Note: User can set via dragging mouse while not releasing left mouse. |
Anti-dither |
System only memorizes one event during the anti-dither period. The value ranges from 0s to 100s. |
Flash |
After enabling, the system will automatically turn on the flash when alarm occurs. |
Flash Delay |
|
Record |
System auto activates motion detection channel to record once alarm occurs (working with motion detection function). |
Record Delay |
System can delay the record for specified time after alarm ended. The value ranges from 10s to 300s. |
Relay out |
Enable alarm activation function. You need to select alarm output port so that system can activate corresponding alarm device when alarm occurs. |
Alarm delay |
System can delay the alarm output for specified time after alarm ended. The value ranges from 10s to 300s. |
Send Email |
After this function is enabled, system can send out email to alert you when alarm occurs and ends. |
Audio Linkage |
Check it and the system will play alarm audio file when alarm occurs. Users can set recorded audio file in “Camera Setting >Audio >Alarm Audio”. |
Snapshot |
After you enabled snapshot, the system will automatically snapshot if alarm occurs. |
Relay Activation
Parameter |
Function |
Enable |
Check it and enable the alarm linkage. |
Relay-in |
The default alarm 1,some products can choose alarm 2. |
Sensor Type |
Two types of sensor which are normally open (NO) and normally closed (NC), switch from normally open to normally closed, open the alarm. Switch from normally closed to normally open, shut the alarm. |
PTZ |
Check it and set PTZ movement when alarm occurs. Such as go to preset x when there is an alarm. The event type includes: preset, tour and pattern and so on. |
Flash Set
Parameter |
Function |
ON/OFF |
ON means flash is on; OFF means flash is off. |
Weak-strong bar |
Via dragging this bar to adjust flash brightness. |
All |
Check and it means the day flash works. |
Period |
Period that flash is on. |
Audio Detect
Note: Audio detection won’t work when “Talk” is enabled on the preview interface.
parameter |
Function |
Enable |
Check it and enable audio detection. |
Threshold |
It will trigger alarm and set up a series of linkage when volume exceeds the set threshold. |