COP-USA DVRC264-4CH_USB - Manual (Page 86)

Digital Video Recorder User Manual
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Color adjustment:
Click on a channel to choose. Drag the slide bar to adjust Brightness, Contrast, Hue, and Saturation. Click Default to reset
them to original value.
PTZ control:
Click P.T.Z to enter the interface as below. Click on a channel to select the speed dome.