On the toolbar, click Properties, and then click the Sources tab.
In Source from, click Devices.
In Video and Audio, click the device you want to source from.
If the device does not appear in the list, check that the device is turned on.
Click Apply.
On the Device panel, click Setup.
In the list, select the device or COM port through which the device is connected, and then click OK.
Use the controls on the panel to control the device.
Note
To use the device control feature, the device must be connected to the computer either through an IEEE 1394 port or through a COM port using a video terminal receiver (VTR) that supports the Sony RS422 protocol.