25
For the 25-pin or 37-pin interface, different models include different functions.
For example, PRX-MG16H has 4 audio inputs, 1 audio output, I bidirectional audio
input. See Figure 3-3.
Figure 3-3
3.7.1 Audio Input/One Audio Output
PRX-MG16H 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 Figure 3-4.
Figure 3-4
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
Summary of Contents for PRX-MG04 Series
Page 1: ...1 www protexitalia it Standalone DVR User s Manual PRX MG04x PRX MG08x PRX MG16x...
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