This control, via XML API, allows the user to set the time offset for the usage of the closed caption file
<?xml version="1.0"?> <query> <format> <!-- Format fields --> <closed_captions> <!-- ... --> <time_offset>[TimeOffset]</time_offset> </closed_captions> </format> </query>
Format Name: time_offset
Allowed Values: Positive or negative integer
Default Values: 0