Polycom QDX 6000 System Administrator's Manual page 55

Setting
Enable Rolling Caption
Color
Rolling Speed
Caption Position
Rolling Caption Text
Description
Sets whether to display a moving caption
to all participants.
Sets the display color of caption.
Sets the scrolling speed of the rolling
caption.
A scrolling speed of 1 is the slowest
speed, and 3 is the fastest.
Sets the display position of marquee in the
picture.
Text to display in the rolling caption. The
text can contain letters, numbers,
symbols, and Chinese characters.
Content and Captions
5 - 5