Audio (Live and Recording)
Select an audio input and output and match it to a specific channel. The number of audio channels
may differ depending on the NVR model. When enabled, the channel will start recording video with
the associated audio channel, allowing users to playback recorded video with audio.
• AUDIO: Activate and designate camera channels for audio input capture. To hear audio, an
audio output device must be connected to the NVR or be viewed using the Web Viewer.
• LIVE OUT: Activate and designate camera channels for audio output through a connected
speaker. An audio output device must be connected to hear audio from the NVR. Full screen
the channel to hear video while viewing in Live Mode.
• USE 2-WAY AUDIO: Enable to allow two-way audio for connected devices.
PTZ
Full control of the PTZ camera is available on this menu. Please refer to the “3.6 PTZ Operation” for
more information on operating a PTZ camera.
1. If the camera is connected to the NVR via ONVIF protocol, make sure ONVIF PTZ is selected in
the Protocol field.
2. If the camera is connected via RS-485 cables, make sure of serial communication with the PTZ
camera through the RS-485 port is set up properly. The Protocol, baud rate and camera address
set in the NVR must match the ones set in the camera’s setting.
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