GVD M3 series, Руководство пользователя

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Chapter 4
System Operation
4-38 HD NVR User Manual
4-5-8 Play a PTZ Camera
The PTZ camera is a camera with the rotation base that helps the camera to move in
horizontal, vertical, or diagonal direction. The camera can also change the len s focus
for a wider or closer image. There are three key features that the PTZ camera has:
Panning – control the camera lens to move in horizontal direction
Tilting – control the camera lens to move in vertical direction.
Zooming – control the lens focus to enlarge or shrink the image.