User Guide for the VC120 Video Conferencing System106- If you select Camera and PC or PC, the PC presentation is shown in big size,and other video images along the right side of the screen are shown in smallsize.- If you select Camera, the remote video image is shown in big size, and localvideo image along the right side of the screen is shown in small size. Thepresentation ends.NoteDuring a conference call, local and remote video images are displayed on the displaydevice. You can change the screen layout. The system supports three screen layouts. One big, one small ( ): The selected video image is shown in a big sizeformat, the other video image along the right side of the screen is shown in smallsizes. Full screen ( ): The selected video image is shown in full size. Same size ( ): All video images are shown in the same size.One display devices (single screen) is connected to the VC120 codec, the defaultscreen layout is described below: When there is one active call and local system does not start a presentation, theremote video image is shown in full size. When there are multiple active calls (take 4 parties as an example) and the localsystem does not start a presentation, both local and remote video image areshown in the same size.For more information on changing video input source, refer to Changing the Video InputSource on page 113.Far endFar end 1LocalFar end 2Far end 3