User's Manual

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.
Environmental Noise Filter
Set it as OFF or ON. When the
funcon is enabled, the noise in the environment can be ltered to
some extent.
9.1.11 Two-way Audio
It is used to realize the two-way audio funcon between the monitoring center and the target in
the monitoring screen.
Before You Start
• Make sure the audio input device (pick-up or microphone) and audio output device (speaker)
connected to the device is working properly. Refer to
specicaons of audio input and output
devices for device connecon.
• If the device has built-in microphone and speaker, two-way audio funcon can be enabled
directly.
Steps
1. Click Live View.
2. Click
on the toolbar to enable two-way audio funcon of the camera.
3. Click and select , move the slider to adjust the volume.
4. Click , disable the two-way audio funcon.
9.1.12 Set ROI
ROI (Region of Interest) encoding helps to assigns more encoding resource to the region of
interest, thus to increase the quality of the ROI whereas the background
informaon is less
focused.
Before You Start
Please check the video coding type. ROI is supported when the video coding type is H.264 or H.
265.
Steps
1. Go to
Conguraon → Video/Audio → ROI .
2. Check Enable.
Thermal & Opcal Bi-spectrum Network Camera User Manual
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