The ExpressXL is capable of controlling Pan/Tilt/Zoom hardware via the RS-232 port. Some PTZ hardware requires an RS-485 connection. If this is the case, you can use an RS-232 to RS-485 converter.
ENABLED
This option must be enabled in order for PTZ control to occur.
Camera
If this is a multi-input device (i.e. video server), select the camera.