Sony PCS-1 Operating Instructions Manual page 82

Note
While in communication you can switch the video input of the remote system by
selecting "Far" in the Video Input Select menu.
Video Input Select
Near
Main
Main: Select the picture shot by the Camera.
Object: Select the picture from the optional PCS-DS150/DS150P Document
Stand.
AUX 1: Selects the picture from the equipment connected to the VIDEO IN
AUX 1 connector.
AUX 2: Select the picture from the equipment connected to the VIDEO IN
AUX 2 connector.
VCR: Select the picture input from the VCR connected to the system on the
remote site. This item does not appear unless the remote system is equipped
with the video input select function.
3
Press the PUSH ENTER button on the Remote Commander.
82
Selecting the Input Picture and Sound
Far
Main