You can control the PTZ device of a camera in the surveillance window of the web server monitor.
If you can control the PTZ device of a camera, the icon
is displayed in the surveillance window of the corresponding camera:

To access PTZ device controls, click the
icon with any mouse button. The PTZ device control panel is displayed.
Elements of the PTZ device control panel interface are described below.

—upward movement of the lens
—downward movement of the lens
—left-side movement of the lens
—right-side movement of the lens
—reduce image scale (zoom out)
—enlarge image scale (zoom in)
You can perform an action by clicking the control elements with the left mouse button. Holding down the left mouse button for a long time doesn't repeat the specified actions. |
—hide/display the PTZ device control panel.To hide the PTZ device control panel, click the icon
with any mouse button again.