Dahua ECA7B1231-HNP-XA-F Dahua Network Speed Dome and PTZ Camera Web 5.0 User's Manual V1.0.2

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when the system detects abnormal sound input.

●

Intensity change: Click to enable

Intensity Change

and then configure

Sensitivity

and

Threshold

. The alarm is triggered when the system detects that the

sound intensity exceeds the configured threshold.

◇

The alarm is easier to be triggered with higher sensitivity or smaller threshold. Set a

high threshold for noisy environment.

◇

The red line in the waveform indicates audio detection is triggered, and the green

one indicates no audio is detected. Adjust sensitivity and threshold according to the

waveform.

Figure 4-76 Audio detection

Step 4 Set arming periods and alarm linkage action. For details, see "4.6.1.2 Alarm Linkage".

If the exiting schedules cannot meet the scene requirement, you can click

Add Schedule

to add a new schedule. For details, see "4.6.1.2.1 Adding Schedule".

Anti-dither: After the

Anti-dither

time is set, the system only records one motion detection

event in the period.

Step 5 Click

Apply

4.7 Storage

Display the information of the local SD card. You can set it as read only or read & write; you can also

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Dahua ECA7B1231-HNP-XA-F 2MP 31×Starlight IR EXPLOSION-PROOF CAMERA