Nvr74 Series - Dahua NVR100 series User Manual

Name
MIC IN
MIC OUT

2.2.14 NVR74 Series

The NVR74 series rear panel is shown as below. See Figure 2-40.
Please refer to the following sheet for detailed information.
Icon
MIC IN
MIC OUT
VIEDEO OUT
HDMI
Function
Audio input port Bidirectional talk input port. It is to receive the
analog audio signal output from the devices such
as microphone, pickup.
Audio output port. It is to output the analog audio
Audio output port
signal to the devices such as the sound box.



Figure 2-40
Name
Power switch
Power input port
Audio input port
Audio output port
Video output port
High Definition
Media Interface
Bidirectional talk output.
Audio output on 1-window video monitor.
Audio output on 1-window video playback.
Function
Power on/off button.
Input AC 100~240V.
Bidirectional talk input port. It is to receive the
analog audio signal output from the devices such
as microphone, pickup.
Audio output port. It is to output the analog audio
signal to the devices such as the sound box.

Bidirectional talk output.

Audio output on 1-window video monitor.

Audio output on 1-window video playback.
CVBS output.
High definition audio and video signal output port.
It transmits uncompressed high definition video
and multiple-channel data to the HDMI port of the
display device. HDMI version is 1.3.
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