 | Directed Channel Change table (DCCT)
[ATSC Syntax]
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To signal a ref="..\..\Technologies\psip\directedchannelchanges\Default.aspx">Directed Channel Change, the otherwise optional Directed Channel Change tables are used.
maximums
| ms per section | sections per
event_id | bytes per section |
| per user | 1 | 4096 |
DCCTs are optional. The codes used in DCCTs can be updated by employing optional Directed Channel Change Selection Code tables (DCCSCTs).
DCCSCTs, if present in an ATSC transport stream, must be listed in the Master Guide Table (MGT)
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