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. It may be necessary to quit and restart the encoder after turning the device 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 control a digital device from the encoder, the device must be set to VTR mode; VTRs must be set to TC mode.