S P E C I A L F E AT U R E S
•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
CC3 : Secondary Synchronous Caption Service. Alternate
CC4 : Special
Text1 : First Text Service. This may be various
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.