Hikvision DS-2CD2D25G1-D/NF 3.7MM User Manual

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Note

Select the xed region that needs to be adjusted and drag the mouse to adjust its posion.

Input the Region Name and ROI Level.

Click Save.

Note

The higher the ROI level is, the clearer the image of the detected region is.

Oponal: Select other region No. and repeat the above steps if you need to draw mulple xed

regions.

4.3 Audio Sengs

It is a funcon to set audio parameters such as audio encoding, environment noise ltering.

Go to the audio sengs page: Conguraon → Video/Audio → Audio .

4.3.1 Audio Encoding

Select the audio encoding compression of the audio.

4.3.2 Audio Input

Note

●

Connect the audio input device as required.

●

The audio input display varies with the device models.

LineIn Set Audio Input to LineIn when the device connects to the audio

input device with the high output power, such as MP3,

synthesizer or acve pickup.

MicIn Set Audio Input to MicIn when the device connects to the audio

input device with the low output power, such as microphone or

passive pickup.

4.3.3 Audio Output

Note

Connect the audio output device as required.

Network Camera User Manual

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Hikvision DS-2CD2D25G1-D/NF 3.7MM 2MP Network Covert Camera 3.7mm Lens