Dahua DH-HCVR5424L-S2, Руководство пользователя

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HDCVI Standalone DVR User’s Manual
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Quality: There are six levels ranging from 1 to 6. The sixth level has the highest image
quality.
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Video/audio: You can enable or disable the video/audio.
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Audio format: Please select from the dropdown list. There are three options:
G711a/G711u/PCM.
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Audio source: Please select from the dropdown list. There are two options:
normal/HDCVI. For normal mode, the audio signal is from the Audio In port. For
HDCVI mode, the audio signal is from the coaxial cable of the camera.
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Audio sampling rate: The audio sampling rate refers to the device audio sampling rate
per second. The options include: 8/16/32K. The higher the rate is, the more natural
and impressive the audio is. The default setup is 8K.
Figure 4-73
4.11.1.3.2 Snapshot
Here you can set snapshot mode, picture size, quality and frequency. See Figure 4-74.
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Snapshot mode: There are two modes: regular and trigger. If you set timing mode,
you need to set snapshot frequency. If you set trigger snapshot, you need to set
snapshot activation operation.
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Image size: Here you can set snapshot picture size.
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Image quality: Here you can set snapshot quality. The value ranges from 1 to 6.
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Interval: It is for you to set timing (schedule) snapshot interval.