COP-USA PKG-DVR04 - Manual (Page 70)

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The corresponding functions of buttons in <Main interface> show as follows:
Function keys Definition Function specification
Play When the program connects with device, play video
Full screen Play full screen.
Capture
Capture the current image (the default save path: the default pictures
directory of mobile)
About Some device information of the software.
Next group It can select the next channels group (1-4、4-8、8-16) or PTZ control
Select channel
Choose one video channel of the broadcasting device and select
one of 8 channels.
Up control of PTZ The up direction control of PTZ.
Down control of PTZ The down direction control of PTZ.
Left control of PTZ The left direction control of PTZ
Right control of PTZ The right direction control of PTZ
Zoom in The zoom in control of PTZ.