CHYRON Corporation
Advanced Playback 9-60 Revision D
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Different types of Crawl setups require minimum buffer
configurations as follows:
Table 9-8: Minimum Buffer Requirements for
Selected Crawl Operations
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None 1 standard or 1 EEFB/CCFB
Scanline
a
a. Scanline backgrounds are created in the Background Mode of Mes-
sage Compose (§10.5).
Text or RGB(A) Machine Font charac-
ter(s)
b
in a position that does not conflict
with the area in which the Crawl will be
executed
b. See §21.8 - RGB Tools Font Utility (F), the Image Tools Manual (Pub.
No. 2A01988), or the Logo Compose Manual (Pub. No. 2A01990) for in-
formation about converting RGB(A) images into Machine Font charac-
ters.
Live Video
c
c. Live Video can be used as a background. See §15.8.5 and Section 20
for more information on the Video Input Module option.
2 standard or 1 EEFB/CCFB
Text, RGB(A) Machine Font characters
b
or RGB(A) images
d
d. RGB(A) images can be used a a background. See Section 21 for more
information on RGB Tools
2 standard or 2 EEFB/CCFB
Text, RGB(A) Machine Font characters
b
or RGB(A)
d
, and Live Video
c