24
2.7
Connecting Audio Input & Output, Bidirectional Audio, Looping Video,
Matrix
For the 25-pin or 37-pin interface, different models include different functions.
For example, SATA16 has 16 audio inputs, 1 audio output, I bidirectional audio input. See
Figure 2-3.
Figure 2-3
2.7.1 Audio Input/One Audio Output
SATA16H has 16 looping video inputs, 1 matrix video output, 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 2-4.
Figure 2-4
Содержание SATA series
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