COP-USA PKG-DVR04 - Manual (Page 74)

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Zoom Zoom in/out control of PTZ.
Focal length Focal length adjustment of PTZ.
Aperture Aperture control of PTZ.
3）Initial usage of need to change the parameter
1.Please click the settings button and enter the device manage interface, as shown in the below image.
2.Then select Add button and enter device add interface, as shown in the above image.
Notes:
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：It is convenient to distinguish between multiple devices.
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before using public IP and mobile phones need to open wifi before using LAN IP).