22
Figure 3-2
3.6
Connecting Audio Input & Output, Bidirectional Audio
3.6.1 Audio
Input/One
Audio
Output
DH-DVR040LN has 4-ch audio input, 2-ch audio output, I-ch bidirectional audio input.
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
351H
Figure 3-3.
Figure 3-3
3.6.2 Alarm Input and Relay Output
Содержание LN series
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