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• The default is “CC1”.
CC1
: The Primary Synchronous Caption Service. These are
captions in the primary language that must be in sync with
the sound, preferably matched to a specific frame.
CC2
: The Special Non-Synchronous Use Captions. This channel
carries data that is intended to augment information carried
in the program.
CC3
: Secondary Synchronous Caption Service. Alternate
program-related caption data, typically second language
captions.
CC4
: Special Non-Synchronous Use Captions. Similar to CC2.
Text1
: First Text Service. This may be various non-program
related data.
Text2
: Second Text Service. Additional data, usually not program
related.
Text3/Text4
: Third Text Service. These data channels should be
used only if Text1 and Text2 are not sufficient.
• The availability of captions depends on the program being
broadcast.
AA68-03556A-00Eng 3/23/05 5:07 PM Page 64
