Polycom VVXTM 1500 - Manual (Page 68)

User Guide for the Polycom VVX 1500 Phone
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Updating the Way Video Displays in the Window in the Center of the Screen
and on the Full Screen
Adjust the appearance of video images so that the video that displays in the
window in the center of the touch screen, and on the full screen, display
normal, full, or cropped images.
To update the way video displays in the window in the center of the screen and
on the full screen:
1. Tap > Settings > Basic > Video > Video Screen Mode.
The Video Screen Mode screen displays.
Note Depending on the video endpoint, black bars may appear on the top, bottom, or
sides of the video image.