Source; Encoder - Datavideo HS-1300 Instruction Manual

Source

The video source is fixed onto PGM View only. In the Video Source column, you will be allowed to adjust
video properties such as Brightness, Contrast, Hue, Saturation and Sharpness. These parameters range
from 0 to 255.
The Audio Source column currently indicates that the audio is embedded into HDMI video and is NOT
reserved for future development.
The SOURCE information (Channel No., Video Source, Audio Source, Resolution and Frame Rate) will be
displayed in a table at the bottom of the page.

Encoder

The NVS-31 provides the user with two encoders so that you can stream and record videos with different
encode settings. The Main Encoder and Sub Encoder can be applied to the recorder and the streaming
server in four different combinations as shown in the table below:
Clicking the Encoder tab in the left column will open the Encoder Configuration page on the right.
Recorder Streaming Server
Main Encoder
Main Encoder
Sub Encoder
Sub Encoder
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Main Encoder
Sub Encoder
Main Encoder
Sub Encoder