DW DWC-MD44WA User Manual page 27

Setup -
Region of Interest Configuration
4
Region of interest function gives much more efficiency picture
quality for indicated area to improve picture qualities of
movement scene at the same bandwidth.
1
Stream
Select the Stream.
Currently it supports only Channel1.
2
Activation
The Region of interest can be enable or disable.
3
Quality
Set the quality of the set area.
4
Click 'Save' to save the current settings.
Click 'Cancel' to return to the previous setting.
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