27
For example, DVR1604LB-S has 16 audio inputs, 1 audio output, I bidirectional audio
input. See
316H316H
Figure 3-3.
Figure 3-3
3.7.1 Audio Input/One Audio Output
DVR1604LBH-S has 16 looping video inputs, 1 matrix video outputs, 4 audio inputs, I
bidirectional audio input, 1 audio output.
Audio input, bidirectional audio input and audio output
The DVR encodes audio and video signals simultaneously, which lets you control
audio at the monitored location.
To set up audio:
1. Make sure your audio input device matches the RCA input level. If the device and
RCA input levels do not match, audio distortion problems may occur.
2. Make sure the audio connector is wired as follows:
3. Connect a line input device or pre-amplified microphone to the audio connector for
the video channel on the rear panel.
Please refer to
317H317H
Figure 3-4.
Figure 3-4
Please note: some series do not support audio input/output.
3.7.2 Looping
video
The DVR supports looping video. It passes the video input to a monitor or other
analog video device.
To use looping video:
1. Connect a coaxial cable to the video out connector on 37-pin interface
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