COP-USA ALC-WF - Manual (Page 34)

Interface function description
Click this button to open or close channel picture.
Click this button to carry out snapshot to front end video.
Click this button to enable talkback function with front end DVS/IP Camera.
Click this button to enable talkback function with front end DVS/IP Camera.
Click this button to switch between audio enable and disable.
Click this button to enable rain strip function.
Click this button to enable lighting function.
Control Up, Down, Left and Right of camera PTZ automatically